00349nam a22001217a 450000500170000002000110001708200170002810000220004524500850006726000340015230000300018650000110021620260430073654.0  a(pbk.)  a621.3815 RAM  aRamshaw, Raymond.  aPower Electronics :bThyristor Controlled Power For Electric /cRaymond Ramshaw.  aOntario :bJuna Press,c1972.  av, 223p. ;bill. :e15cm.  aIndex.