00279nam a2200097Ia 4500008004100000082001900041100002200060245005100082260002500133650002300158220204s9999    xx            000 0 und d  a621.313.8bMAT  aMatsch, Leander W 0aElectromagnetic and electromechanical machines  aLondonbIntextc1972  aMagneto electrical