Rao, Sunil S. Switchgear protection and power systems : theory, practice and solved problems / Sunil S. Rao. - New Delhi : Khanna Publishers, 2017. - xxxviii, 1339 p. : ill. ; Includes bibliography and index. ISBN: 9788174092323 (pbk.) Subjects--Topical Terms: Power systems. Dewey Class. No.: 621.319 / RAO