Gupta, J. B. A textbook of transmission and distribution: in S.I. system of units / J. B. Gupta - 7th ed. - Ludhiana: S. K. Kataria, c1995. - 362 P.: figs., ill.; 24 cm. English Subjects--Topical Terms: Electric lines. Electric power distribution. Dewey Class. No.: 621.3/GUT