Wildi, Theodore. Electrical machines, drives, and power systems / Theodore Wildi. - 3rd ed. - London : Prentice-Hall International , c1997. - xvii, 814 p. : ill. ; 24 cm. Includes index. ISBN: 0135713331 Subjects--Topical Terms: Electric power systems.Electric machinery. Dewey Class. No.: 621.31042 WIL