000 00268nam a2200109Ia 4500
008 220201s1994 xx 000 0 eng d
100 _aPrabhar, Nakul
245 0 _aSor urja utpadan & upyog
260 _bDelhi: Vegyanik Prakashan
_c1994
300 _a120
942 _2ddc
999 _c86207
_d86207