Comparison of Gray-Box and Black-Box Two-Level Three-Phase Inverter Models for Electrical Drives
M. Stender, O. Wallscheid, J. Böcker, IEEE Transactions on Industrial Electronics 68 (2020) 8646–8656.

Analytical and Offline Approach to Select Optimal Hysteresis Bands of DTC for PMSM
S. Mathapati, J. Böcker, IEEE Transactions on Industrial Electronics 60 (2012) 885–895.

High dynamic control of a three-level voltage-source-converter drive for a main strip mill
J. Böcker, J. Janning, H. Jebenstreit, IEEE Transactions on Industrial Electronics 49 (2002) 1081–1092.

Torque capability and control of a saturated induction motor over a wide range of flux weakening
H. Grotstollen, J. Wiesing, IEEE Transactions on Industrial Electronics 42 (1995) 374–381.