Puchstein, A. F. Alternating-current machines / A. F. Puchstein, T. C. Lloyd and A. G. Conrad. - 3rd ed. - New Delhi : Asia publishing house, c1954 [Reprinted 1996]. - xii, 721 pages : illustrations ; 21 cm. Include index. Subjects--Topical Terms: Electric machinery--Alternating current. Dewey Class. No.: 621.3133 PUC