00614nam a2200193Ia 4500 10282 10282 200103s 1977 ||||xx |||||||||||||| ||und|| 621.31 KOS Kostenko, M. Electrical machines: direct current machines and transformers, vol. 1 Mir Publishers 1977 Moscow 598 p.: ill. Translated from Russian by Chernukhin, A. Includes index D.C. machine Energy losses and efficiency of machines Direct current generators Piotrovsky, L. Co-author BK 0 0 ddc 0 621_310000000000000_KOS 0 NFIC 11294 MU MU GEN 2020-01-08 621.31 KOS LBSD680 2025-03-17 BK Column - 54