El-Sharkawi, Mohamed A. Electric energy : an introduction / Mohamed A. El-Sharkawi. - 2nd ed. - Boca Raton : CRC Press, c2009. - xx, 470 p. : ill. (some col.), maps (some col.) ; 27 cm. - Power electronics and applications series . Includes bibliographical references and index. ISBN: 9781420062199 1420062190 LCCN: 2008008269 Subjects--Topical Terms: Power electronics.Electric power systems. LC Class. No.: TK7881.15 / .E525 2009 Dewey Class. No.: 621.3