00566nam a2200193Ia 4500 IN-BaIIA 211028s9999 xx 000 0 eng d IIA Library 621.38 WEL Wellman, William R. 3587 Elementary industrial Electronics William R. Wellman 2nd ed. New York. D. Van Nostrand 1957 vii,455p. Electronics 1576 Industrial Electronics 2137 NASA Thesaurus BK 1873 1873 0 0 0 0 BAN KAV GEN 0000-00-00 19.25 0 621.38/ WEL 2058 2021-11-05 19.25 0000-00-00 BK Rs. 19.25