Crowder, Richard M. Electric drives and their controls / Richard M. Crowder. - Oxford : Clarendon Press, 1998. - xvii, 238 p. : ill. ; 24 cm. - Oxford science publications. Monographs in electrical and electronic engineering ; 36 . Includes index. Includes bibliographical references. ISBN: 0198565658 (pbk.) Subjects--Topical Terms: Electric driving.Electric controllers.