Mehta, V.K. Principles of power system / V.K. Mehta, Rohit Mehta. - 4th revised ed.(2011) - New Delhi : S. Chand & Company Ltd., c1982.[reprinted 2014]. - 608 p. : ill. ; 21 cm. Includes index. ISBN: 8121924960 Subjects--Topical Terms: Electric power distribution| Electric power systems Dewey Class. No.: 621.319