@book{331,
	author = {ELGERD, OLLE I.},
	title = {ELECTRIC ENERGY SYSTEMS THEORY : },
	publisher = {MCGRAW-HILL},
	year = {1982},
	series = {SER. INTERNATIONAL STUDENT EDITION},
	address = {AUCKLAND ; MEXICO: },
	edition = {2},
	note = {INCLUYE INDICE.}
}