00538nam a2200181Ia 4500 IN-BaIIA 211028s9999 xx 000 0 eng d IIA Library 621.3.04 LAN Langsdorf, Alexander S. 3915 Principles of direct-current machines Alexander S. Langsdorf 6th ed. New York McGraw-Hill 1959 xvii, 363p. Electrical engineering 1774 NASA Thesaurus BK 2094 2094 0 0 0 0 BAN BAN GEN 0000-00-00 13.00 0 621.3.04/ LAN 2350 2021-11-05 13.00 0000-00-00 BK Rs. 13.00