
Prof. Dr.-Ing. Walter Stechele
Akademischer Direktor
Technische Universität München
Fakultät für Elektrotechnik und Informationstechnik
Lehrstuhl für Integrierte Systeme
Arcisstr. 21
80333 München
Tel.: +49.89.289.22515
Fax: +49.89.289.28323
Gebäude: N1 (Theresienstr. 90)
Raum: N2124
Email: walter.stechele@tum.de
Curriculum Vitae
Walter Stechele received the Dipl.-Ing. and Dr.-Ing. degrees in electrical engineering from the Technical University of Munich, Germany, in 1983 and 1988, respectively. In 1990 he joined Kontron Elektronik GmbH, a German electronic company, where he was responsible for the ASIC and PCB design department. Since 1993 he has been Academic Director at the Chair of Integrated Systems at the Technical University of Munich. His interests include visual computing and robotic vision, with focus on Multi Processor System-on-Chip (MPSoC) architectures and design methodology, low power optimization, dynamic reconfiguration of FPGA devices, and applications in automotive and robotics.
Research Interests
- Visual computing and robotic vision
- Dynamic reconfiguration of FPGAs
- MPSoC architecture exploration and design methodology
- MPSoC for automotive and robotic applications
Publikationen
2021
2020
- Binary DAD-Net: Binarized Driveable Area Detection Network for Autonomous Driving. International Conference on Robotics and Automation (ICRA 2020), 2020 mehr… BibTeX
- ALF: Autoencoder-based Low-rank Filter-sharing for Efficient Convolutional Neural Networks. The Design Automation Conference (DAC), 2020 mehr… BibTeX
- Neural Architecture Search for Automotive Grid Fusion Networks Under Embedded Hardware Constraints. IEEE International Conference On Machine Learning And Applications (ICMLA 2020), 2020 mehr… BibTeX
- Optimization of automotive color filter arrays for traffic light color separation. Color and Imaging Conference, CIC 2020 virtual, 2020 mehr… BibTeX
- L2PF - Learning to Prune Faster. International Conference on Computer Vision & Image Processing (CVIP), 2020 mehr… BibTeX
- Model-Based Design Space Exploration for Approximate Image Processing on FPGA. 2020 IEEE Nordic Circuits and Systems Conference (NorCAS), 2020 mehr… BibTeX Volltext ( DOI )
- OrthrusPE: Runtime Reconfigurable Processing Elements for Binary Neural Networks. 2020 Design, Automation & Test in Europe Conference & Exhibition (DATE), 2020 mehr… BibTeX
- Parameter Optimization of Approximate Image Processing Algorithms in FPGAs. 2020 Eighth International Symposium on Computing and Networking (CANDARW), 2020 mehr… BibTeX
2019
- Resource-Aware Multicriterial Optimization of DNNs for Low-Cost Embedded Applications. Conference on Computer and Robot Vision, 2019 mehr… BibTeX
- DSC: Dense-Sparse Convolution for Vectorized Inference of Convolutional Neural Networks. Safe Artificial Intelligence for Automated Driving (SAIAD), 2019 mehr… BibTeX
- Resource-Aware Parameter Tuning for Real-Time Applications. ARCS Konferenz , 2019 mehr… BibTeX
- Deep Grid Fusion of Feature-Level Sensor Data with Convolutional Neural Networks. The 8th IEEE International Conference on Connected Vehicles and Expo (ICCVE), 2019 mehr… BibTeX
- An Efficient FPGA Accelerator Design for Optimized CNNs using OpenCL. ARCS Konferenz, 2019 mehr… BibTeX
- LCS-Based Automatic Configuration of Approximate Computing Parameters for FPGA System Designs. Proceedings of the Genetic and Evolutionary Computation Conference Companion (GECCO '19), 2019, 1271 -- 1279 mehr… BibTeX Volltext ( DOI )
- Mixed Frame-/Event-Driven Fast Pedestrian Detection. ICRA Konferenz, 2019 mehr… BibTeX
2018
- Neuromorphic Vision Based Multivehicle Detection and Tracking for Intelligent Transportation System. Journal of Advanced Transportation (Volume 2018), 2018 mehr… BibTeX Volltext ( DOI )
- Efficient Hardware Acceleration of CNNs using Logarithmic Data Representation with Arbitrary log-base. International Conference On Computer Aided Design (ICCAD), 2018 mehr… BibTeX
- Non-blind deconvolution of the residual tip-tilt error of the Sunrise solar observatory. SPIE Astronomical Telescopes + Instrumentation Conference, Proceedings of SPIE Vol. 10705, 2018 mehr… BibTeX
2017
- Random Finite Set Based Bayesian Filtering with OpenCL in a Heterogeneous Platform. Sensors - Open Access Journal, 2017 mehr… BibTeX Volltext ( DOI )
- A Long Duration Transient Resilient Pipeline Scheme. IEEE Transactions on Device and Materials Reliability 17 (1), 2017 mehr… BibTeX Volltext ( DOI )
- Online Multi-Object Tracking-by-Clustering for Intelligent Transportation System with Neuromorphic Vision Sensor. German Conference on Artificial Intelligence, 2017 mehr… BibTeX
- Hardware-accelerated CCD readout smear correction for Fast Solar Polarimeter. International Conference on Application-specific Systems, Architectures and Processors (ASAP), 2017 mehr… BibTeX
- Fast computation of readout smear correction for framestore CCD based images. International Conference on Computer Graphics and Digital Image Processing (CGDIP), 2017 mehr… BibTeX
2016
- Voltage Over-Scaling in Sequential Circuits for Approximate Computing. Design &Technology of Integrated Systems in Nanoscale Era, 2016 mehr… BibTeX
- A Chip-level Redundant Threading (CRT) Scheme for Shared-Memory Protection. Int. Conference on High Performance Computing & Simulation (HPCS) 2016, 2016 mehr… BibTeX
- Integrated Soft Error Resilience and Self-Test. IFIP/IEEE International Conference on Very Large Scale Integration (VLSI-SoC) 2016, 2016 mehr… BibTeX
- Tackling Long Duration Transients in Sequential Logic. IEEE Int. Symp. on On-Line Testing and Robust System Design (IOLTS) 2016, 2016 mehr… BibTeX
- Adaptive tracking of people and vehicles using mobile platforms. EURASIP Journal on Advances in Signal Processing, 2016 mehr… BibTeX Volltext ( DOI )
- Prototyping Real-Time Tracking Systems on Mobile Devices. Proceedings of the ACM International Conference on Computing Frontiers, 2016, 301-308 mehr… BibTeX
- Modeling of DEPFET based X-ray Detectors for Athena’s Wide Field Imager. IEEE Nuclear Science Symposium, 2016 mehr… BibTeX
- Invasive computing for timing-predictable stream processing on MPSoCs. it - Information Technology, 2016 mehr… BibTeX Volltext ( DOI )
2015
- Design of Fine-grained Sequential Approximate Circuits using Probability-aware Fault Emulation. International Symposium on Low Power Electronics and Design, 2015 mehr… BibTeX
- Matching Detection and Correction Schemes for Soft Error Handling in Sequential Logic. Euromicro Conference on Digital System Design (DSD), 2015 mehr… BibTeX
- A Modular Design and Optimization Framework for Energy Efficient E/E Architectures. 4th International Conference on Energy Efficient Vehicles (ICEEV 2015), 2015 mehr… BibTeX
- Adaptive Tracking of People and Vehicles using mobile Platforms. EURASIP Journal on Advances in Signal Processing, 2015 mehr… BibTeX
- Self-reconfigurable control architecture for complex mobile robots. Information Technology Journal, 2015 mehr… BibTeX Volltext ( DOI )
- Resource awareness on heterogeneous mpsocs for image processing. Journal of Systems Architecture, 2015 mehr… BibTeX Volltext ( DOI )
- Self-adaptive corner detection on mpsoc through resource-aware programming. Journal of Systems Architecture, 2015 mehr… BibTeX Volltext ( DOI )
- A soft-core processor array for relational operators. 26th IEEE International Conference on Application-specific Systems, Architectures and Processors (IEEE ASAP), 2015 mehr… BibTeX
- New evaluation concept of the Athena WFI camera system by emulation of X-ray DEPFET detectors. 17th International Workshop on Radiation Imaging Detectors, 2015 mehr… BibTeX
- Improving wavelet denoising based on an in-depth analysis of the camera color processing. SPIE 9400, Real-Time Image and Video Processing, 2015 mehr… BibTeX
- Protecting FPGA-based Automotive Systems against Soft Errors through Reduced Precision Redundancy. IEEE International Symposium on Industrial Embedded Systems (SIES), 2015 mehr… BibTeX
2014
- Improving the Significance of Probabilistic Circuit Fault Emulations. 20th IEEE International On-Line Testing Symposium (IOLTS), 2014 mehr… BibTeX
- Probabilistic Circuit Fault Emulation. edaWorkshop, 2014 mehr… BibTeX
- Resource-Aware Programming for Robotic Vision. First Workshop on Resource awareness and adaptivity in multi-core computing; co-located with IEEE European Test Symposium (ETS), 2014 mehr… BibTeX
- Improving Efficiency of Embedded Multi-core Platforms with Scratchpad Memories. 1st International Workshop on Multi-Objective Many-Core Design (MOMAC) in conjunction with International Conference on Architecture of Computing Systems (ARCS), 2014 mehr… BibTeX
- Resource-Aware Harris Corner Detection based on Adaptive Pruning. Architecture of Computing Systems (ARCS), 2014 mehr… BibTeX
- Self Adaptive Harris Corner Detection on Heterogeneous Many-core Processor. DASIP, 2014 mehr… BibTeX
- Resource Prediction for Humanoid Robots. First Workshop on Resource awareness and adaptivity in multi-core computing; co-located with IEEE European Test Symposium (ETS), 2014 mehr… BibTeX
- Towards Low-Cost Fault Detection Strategy of FPGA Configuration Memory in Real-Time Systems. 20th IEEE International On-Line Testing Symposium (IOLTS), 2014 mehr… BibTeX
- Denoising Camera Data: Shape-adaptive Noise Reduction for Color Filter Array Image Data. International Conference on Image Processing, Computer Vision, and Pattern Recognition IPCV), 2014 mehr… BibTeX
- Automatic denoising parameter estimation using gradient histograms. Visual Com- munications and Image Processing Conference, IEEE, 2014, pages 358-361 mehr… BibTeX
- Beyond Standard Noise Models: Evaluating Denoising Algorithms with Respect to Realistic Camera Noise. International Journal of Semantic Computing Volume 08 (Number 02), 2014 mehr… BibTeX
- Noise characteristics of a single sensor camera in digital color image processing. Color and Imaging Conference, 2014, 53-58 mehr… BibTeX
2013
- Potentials and Challenges for Multi-Core Processors in Robotic Applications. Workshop "Roboterkontrollarchitekturen" auf der Informatik 2013, 43. Jahrestagung der Gesellschaft für Informatik, GI-Edition "Lecture Notes in Informatics" (LNI), 2013 mehr… BibTeX
- A Resource-efficient Probabilistic Fault Simulator. 23rd International Conference on Field Programmable Logic and Applications (FPL), 2013 mehr… BibTeX
- Acceleration of Optical Flow Computations on Tightly-Coupled Processor Arrays. PARS, 2013 mehr… BibTeX
- Dynamic Noise Estimation Approach for X-ray Detectors on FPGAs. 16th EUROMICRO Digital System Design (DSD) Conference, 2013 mehr… BibTeX
- FPGA based real-time data processing DAQ system for the Mercury Imaging X-ray Spectrometer. 16th EUROMICRO Digital System Design (DSD) Conference, 2013 mehr… BibTeX
- A Design Space Exploration Framework for Automotive Embedded Systems and their Power Management. 27th European Conference on Modelling and Simulation (ECMS), 2013 mehr… BibTeX
- Selbst-Rekonfigurierbare Kontrollarchitekturen für komplexe Robotersysteme. Workshop "Roboterkontrollarchitekturen", 43. Jahrestagung der Gesellschaft für Informatik, GI-Edition "Lecture Notes in Informatics" (LNI), 2013 mehr… BibTeX
- Self-Adaptation for Mobile Robot Algorithms Using Organic Computing Principles. International Conference on Architecture of Computing Systems (ARCS), Springer, 2013, 232-243 mehr… BibTeX
- A Resource-Aware Nearest Neighbor Search Algorithm for K-Dimensional Trees. Conference on Design and Architectures for Signal and Image Processing (DASIP), 2013 mehr… BibTeX
- RTL Simulation of High Performance Dynamic Reconfiguration: A Video Processing Case Study. Reconfigurable Architectures Workshop (RAW), 2013 mehr… BibTeX
- Fast Parameter-based Checkpoint, Rollback and Synchronization Prediction for FPGA Designs. 25. GI/GMM/ITG-Workshop: Testmethoden und Zuverlässigkeit von Schaltungen und Systemen, 2013 mehr… BibTeX
- Weighted Partitioning of Sequential Processing Chains for Dynamically Reconfigurable FPGAs. 23rd International Conference on Field Programmable Logic and Applications (FPL), 2013 mehr… BibTeX
- Evaluation of Hop Count Advantages of Network-Coded 2D-Mesh NoCs. Workshop on Power and Timing Modeling, Optimization and Simulation (PATMOS), 2013 mehr… BibTeX
- Towards an Evaluation of Denoising Algorithms with respect to Realistic Camera Noise. IEEE International Symposium on Multimedia (ISM), 2013 mehr… BibTeX
2012
- A low-overhead Monitoring Ring Interconnect for MPSoC Parameter Optimization. 15th IEEE Symposium on Design and Diagnostics of Electronic Circuits and Systems (DDECS), IEEE, 2012, 46-49 mehr… BibTeX
- Autonomic System on Chip Platform. In: Autonomic Systems, 1, Volume 1, Organic Computing - A Paradigm Shift for Complex Systems, Part 4. Springer Verlag, 2012, Pages 413-425 mehr… BibTeX
- An FPGA-based Probability-aware Fault Simulator. SAMOS XII, International Conference on Embedded Computer Systems: Architectures, Modeling and Simulation, 2012, 302-309 mehr… BibTeX
- Partial Reconfiguration on FPGAs in Practice - Tools and Applications. Architecture of Computing Systems (ARCS), 2012 mehr… BibTeX
- RELY - Reliability of SoCs for Safety Critical Applications. edaWorkshop 12, 2012 mehr… BibTeX
- Novel Noise Estimation Approach for X-Ray Detectors on FPGAs. Nuclear Science Symposium, 2012 mehr… BibTeX
- Aspects of Function Partitioning in Respect to Power Management. 2nd International Energy Efficient Vehicles Conference (EEVC), 2012, pp. 25-35 mehr… BibTeX
- Applying ASoC to Multi-core Applications for Workload Management. In: Autonomic Systems, 1, Volume 1, Organic Computing - A Paradigm Shift for Complex Systems, Part 5. Springer Verlag, 2012, Pages 461-472 mehr… BibTeX
- Real-Time Motion Detection Based On SW/HW- Codesign for Walking Rescue Robots. In: Real Time Image Processing. Springer Journal of Real Time Image Processing, 2012 mehr… BibTeX
- Invasive Computing for Robotic Vision. Asia South Pacific Design Automation Conference (ASP-DAC), 2012 mehr… BibTeX
- A Prototypical In-Car Entertainment Setup Using Software Defined Radio and Ethernet/IP-based In-Vehicle Communication. The First International Conference on Advances in Vehicular Systems, Technologies and Applications (VEHICULAR), 2012 mehr… BibTeX
- An Evaluation on Using GPU Coprocessing for Software Radios on a Low-cost Platform. Conference on Design & Architectures for Signal & Image Processing (DASIP), 2012 mehr… BibTeX
- An Optimized Software-defined Digital Audio Broadcasting (DAB) Receiver for x86 Platforms. 7th Karlsruhe Workshop on Software Radios (WSR), IEEE, 2012, 1-8 mehr… BibTeX
- Partitioning and Context Switching for a Reconfigurable FPGA-based DAB Receiver. Conference on Design & Architectures for Signal & Image Processing (DASIP), 2012 mehr… BibTeX
- An Efficient DVB-T2 Decoding Accelerator by Time-Multiplexing FPGA Resources. 22nd International Conference on Field Programmable Logic and Applications (FPL), 2012, 75-82 mehr… BibTeX
- A Real-Time Capable Virtualized Information and Communication Technology Infrastructure for Automotive Systems. In: Advances in Real-Time Systems. Springer , 2012, pp 275-306 mehr… BibTeX
2011
- An architecture and an FPGA prototype of a Reliable Processor Pipeline towards multiple soft- and timing errors. 14th IEEE Symposium on Design and Diagnostics of Electronic Circuits and Systems, 2011 mehr… BibTeX
- A modelbased software generation approach qualified for heterogeneous GPGPU-enabled platforms. International Conference on Parallel Computing (ParCo), 2011 mehr… BibTeX
- Egomotion compensation and moving objects detection algorithm on GPU. International Conference on Parallel Computing (ParCo), 2011 mehr… BibTeX
- Improving the Performance of Digital Radio Mondiale Plus (DRM+) by LDPC Channel Coding. IEEE International Symposium on Broadband Multimedia Systems and Broadcasting, 2011 mehr… BibTeX
- Real-Time Signal Processing on Low-Cost-FPGAs using Dynamic Partial Reconfiguration. International Symposium on Integrated Circuits, 2011 mehr… BibTeX
- Improved Backwards Analysis for Architectural Vulnerability Factor Estimation. Semiconductor Conference Dresden (SCD), 2011 mehr… BibTeX
- A Reasoning Approach to Enable Abductive Semantic Explanation upon Collected Observations for Forensic Visual Surveillance. IEEE International Conference on Multimedia and Expo (ICME), 2011 mehr… BibTeX
- Default reasoning for forensic visual surveillance based on subjective logic and its comparison with l-fuzzy set based approaches. TUM, 2011, mehr… BibTeX
- An Approach to Self- Learning Multicore Reconfiguration Management Applied on Robotic Vision. Conference on Design and Architecture for Signal and Image Processing (DASIP), 2011 mehr… BibTeX
2010
- FPGA-based Real-time Moving Object Detection for Walking Robots. 8th IEEE International Workshop on Safety, Security and Rescue Robotics (SSRR), 2010 mehr… BibTeX
- Stereo Vision Based Vehicle Detection. VISIGRAPH 2010: International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications, 2010 mehr… BibTeX
- Dynamic Partial Reconfiguration of Xilinx FPGAs Lets Systems Adapt on the Fly. Xcell Journal, 2010 mehr… BibTeX
- Towards rapid dynamic partial reconfiguration in video-based driver assistance systems. 6th International Symposium on Applied Reconfigurable Computing (ARC), 2010 mehr… BibTeX
- AutoVision - Reconfigurable Hardware Acceleration for Video-Based Driver Assistance. In: Platzner, Teich, Wehn (Editors): Dynamically Reconfigurable Systems. Springer Verlag, 2010 mehr… BibTeX
- Iterative Patch Based Estimation of Perspective Transforms. Signal Processing, Pattern Recognition and Applications (SPPRA), 2010 mehr… BibTeX
- In-flight verification of CCSDS based on-board real-time video compression. 61. International Astronautical Congress (IAC), 2010 mehr… BibTeX
- Towards Scalability and Reliability of Autonomic Systems on Chip. Workshop on Self-Organizing Real-Time Systems, 2010 mehr… BibTeX
- Energy consumption of Graphic Processing Units with respect to automotive use-cases. International Conference on Energy Aware Computing (ICEAC), 2010 mehr… BibTeX
- A Rapid Prototyping System for Error-Resilient Multi-Processor Systems-on-Chip. DATE Conference, 2010 mehr… BibTeX
- Concept and Design of an SNR-adaptive DRM+/FM Receiver using Dynamic Partial Reconfiguration (DPR) of FPGAs. 11th Workshop Digital Broadcasting, 2010 mehr… BibTeX
- Architectural Vulnerability Factor Estimation with Backwards Analysis. 13th Euromicro Conference on Digital System Design (DSD), 2010 mehr… BibTeX
- Subjective Logic Based Hybrid Approach to Conditional Evidence Fusion for Forensic Visual Surveillance. 7th IEEE International Conference on Advanced Video and Signal Based Surveillance (AVSS ), 2010 mehr… BibTeX
- Forensic Reasoning Upon Pre-Obtained Surveillance Metadata Using Uncertain Spatio-Temporal Rules And Subjective Logic. 11th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS), 2010 mehr… BibTeX
- Subjective Logic Based Approach to Modeling Default Reasoning for Visual Surveillance. International Conference on Semantic Computing (ICSC), 2010 mehr… BibTeX
- Lessons Learned from last 4 Years of Reconfigurable Computing. Dagstuhl Seminar Proceedings 10281 on Dynamically Reconfigurable Architectures, 2010 mehr… BibTeX
2009
- Multi-Bit Error Protection for Self-Correcting CPU Pipelines. eda Workshop, 2009 mehr… BibTeX
- A Fault-Tolerant Processor Architecture. Workshop „Dependability and Fault-Tolerance“ (ARCS), 2009 mehr… BibTeX
- Segmentation through Edge-Linking - Segmentation for Video-based Driver Assistance Systems. International Conference on Imaging Theory and Applications (IMAGAPP), 2009 mehr… BibTeX
- High performance FPGA based optical flow calculation using the census transformation. The Intelligent Vehicles Symposium (IV), 2009 mehr… BibTeX
- Optimizing the SUSAN corner detection algorithm for a high speed FPGA implementation. 19th International Conference on Field Programmable Logic and Applications (FPL), 2009 mehr… BibTeX
- Wire Topology Optimization for Low Power CMOS. Very Large Scale Integration (VLSI) Systems, IEEE Transactions, 2009, 1-11 mehr… BibTeX
- Toward Contextual Forensic Retrieval for Visual Surveillance. 10th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS), 2009 mehr… BibTeX
2008
- Hardware-Supported Learning Classifier Tables in Autonomic Systems on Chip. Organic Computing - Controlled Self-organization, 2008Dagstuhl Seminar mehr… BibTeX
- A multi-platform controller allowing for maximum dynamic partial reconfiguration throughput. International Conference on Field Programmable Logic and Applications (FPL), 2008 mehr… BibTeX
- A comparison of embedded reconfigurable video-processing architectures. International Conference on Field Programmable Logic and Applications (FPL), 2008 mehr… BibTeX
- Luminance Correction in Stereo Correspondence Based Structure from Motion. 9th International Workshop on Image Analysis for Multimedia Interactive Services, WIAMIS, IEEE Computer Society, 2008, 179-182 mehr… BibTeX
- Learning Classifier Tables for Autonomic Systems on Chip. Lecture Notes in Informatics, Springer, Gesellschaft für Informatik, GI Jahrestagung, 2008, 771-778 mehr… BibTeX
- Reconfigurable HW/SW Architecture of a Real-Time Driver Assistance System. Reconfigurable Computing: Architecture, Tools and Applications (Lecture Notes in Computer Science 4943), Springer, 20084th International Workshop, ARC, 149-159 mehr… BibTeX Volltext ( DOI )
- Hardware/software architecture of an algorithm for vision-based real-time vehicle detection in dark environments. Design, Automation & Test in Europe (DATE), IEEE Press, 2008 mehr… BibTeX Volltext ( DOI )
- Fast and Accurate Software Performance Estimation during High-Level Embedded System Design. edaworkshop, 2008 mehr… BibTeX
2007
- Exploitation of Reconfiguration in Advanced Applications Run-Time Reconfiguration for High Performance Video-based Driver Assistance and High-Speed IP Networking. DATE Tutorial on Reconfigurable Computing: Architectures, Tools and Applications, 2007 mehr… BibTeX
- Autovision-A Run-time Reconfigurable MPSoC Architecture for future Driver Assistance Systems. it - Information Technology Journal (3), 2007 mehr… BibTeX
- Concepts for Autonomic Integrated Systems. eda-Workshop, 2007 mehr… BibTeX
- Autonomic MPSoCs for Reliable Systems. GMM/GI/ITG Fachtagung Zuverlässigkeit und Entwurf, ZuD, 2007 mehr… BibTeX
2006
- Error Detection Techniques Applicable in an Architecture Framework and Design Methodology for Autonomic SoC. 1st IFIP International Conference on Biologically Inspired Cooperative Computing (BICC), Springer, 2006 mehr… BibTeX
- Organic Computing at the System on Chip Level. Proceedings of the IFIP International Conference on Very Large Scale Integration of System on Chip (VLSI-SoC), 2006 mehr… BibTeX
- An Architecture for Runtime Evaluation of SoC Reliability. INFORMATIK 2006 - Informatik für Menschen, Bonn, Köllen Verlag, 2006 mehr… BibTeX