000 00334nam a2200133Ia 4500
005 20260413100631.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aBhaskararaa B.K
245 2 _aA text on Petro chemical
260 _bDelhi Khanna Publication
_c1995
300 _a284
942 _cGB
999 _c3076
_d3076