Mehta , v. k. Principles of power system [[Book] /] v. k.mehta , rohit mehta. - 1st.ed. - new dlhi : s. chand & company ltd, 1982. - 574 p. ; 25cm. All age. ISBN: 812190594x Subjects--Topical Terms: Electric power systems. . Dewey Class. No.: 621.3191