000 00284nam a2200121Ia 4500
100 _aB R Gupta, Vandana Singhal
020 _a81-785814-86-4
942 _cBK
245 _aElectrical science
260 _aWheeler, New Delhi
_c1996
082 _a621.3 Gup/Sin
300 _aix,500p figs.
999 _c37406
_d37406