@articleStender_Wallscheid_Böcker_2020, title=Comparison of Gray-Box and Black-Box Two-Level Three-Phase Inverter Models for Electrical Drives, volume=68, DOI=10.1109/tie.2020.3018060, number=9, journal=IEEE Transactions on Industrial Electronics, publisher=Institute of Electrical and Electronics Engineers (IEEE), author=Stender, Marius and Wallscheid, Oliver and Böcker, Joachim, year=2020, pages=8646–8656 

@articleMathapati_Böcker_2012, title=Analytical and Offline Approach to Select Optimal Hysteresis Bands of DTC for PMSM, volume=60, DOI=10.1109/tie.2012.2189530, number=3, journal=IEEE Transactions on Industrial Electronics, publisher=Institute of Electrical and Electronics Engineers (IEEE), author=Mathapati, Shashidhar and Böcker, Joachim, year=2012, pages=885–895