Elgred, Olle Ingemar, 1925- Electric energy systems theory : an introduction [Books]. Olle I. Elgerd. - 2nd ed. - New York McGraw-Hill Book Co. 1982 - Pages: 533 - McGraw-Hill series in electrical engineering. Power and energy. . ISBN: 0070192308 0.00 LCCN: 81007194 Subjects--Personal Names: Electric engineering.Electric power systems. Dewey Class. No.: TK/145 / ELG