Langsdorf, Alexander S. Theory of alternating-current machinery / Alexander S. Langsdorf - 2 - New York : Mcgraw- Hill - 666 p. / 21 cm. ISBN: s/n Subjects--Topical Terms: 1. MAQUINARIA ELECTRICA \ 2. CORRIENTE ALTERNA Dewey Class. No.: 621.313.3 L127t