Dmitry Egorov, Ilya Petrov, Juha J. Pyrhönen, Joosep Link, Raivo Stern, Peter Sergeant, Bulent Sarlioglu: Hysteresis Loss in NdFeB Permanent Magnets in a Permanent Magnet Synchronous Machine. IEEE Trans. Ind. Electron. 69(1): 121-129 (2022)