El-Sharkawi, Mohamed A. Electric energy : an introduction / Mohamed A. El-Sharkawi. - 2nd ed. - Boca Raton : CRC Press, c2009. - xx, 470 p., [24] p. of plates : ill. (some col.), maps (some col.) ; 26 cm. - Power electronics and applications series. . Includes Index. Includes bibliographical references . ISBN: 9781420062199 (hbk). Subjects--Topical Terms: Power electronics.