Elgerd, Olle I. Electric Energy Systems theory An introduction / Olle I. Elgerd - 2 - New York : Mcgraw-Hill - 533 p. / 23 cm. ISBN: 0-07-019230-8 Subjects--Topical Terms: 1. INGENIERIA ELECTRICA \ 2. SISTEMAS DE ENERGIA ELECTRICA Dewey Class. No.: 621.3 E545e