B. Ackermann

Analytical modeling of the cogging torque in permanent magnet motors

B. Ackermann, R. Sottek, 1995 .

New technique for reducing cogging torque in a class of brushless DC motors

B. Ackermann, R. Sottek, J.H.H. Janssen, 1992 .

Relativistic multiple scattering theory of electrons by ferromagnets

B. Ackermann, R. Feder, F. Rosicky, 1983 .