00245nam a2200109Ia 4500008004100000041000800041082002200049100001500071245003200086260000900118300000800127211209s1966    xx            000 0 und d  aeng  a621.313 N KOS/PIO  aKOSTENKO M  aELECTRICAL MACHINES PART I   c1966  a442