MAGA, Dušan et al. Non-Linear VS Linear Media in Rotational Electrical Machinery FEM Analysis. In Joint congress 16th electromagnetic fields and materials and magnetic measurements 02 : EMFM, MM 02. Bratislava, Slovakia 11.- 13. Sept. 2002. The book of abstracts. Bratislava : STU v Bratislave FEI, 2002, s.34. E*301/12/2002