Rao, Sunil. S Switchgear protection and power systems : (theory, practice and solved problems) / by Sunil S. Rao - 13th ed. - Delhi Khanna Pub. 2012 - xxxviii, 1339 p. ISBN: 8174092323 Subjects--Topical Terms: Power plantPower system Dewey Class. No.: 621.3121 / RAO