000 00324nam a2200133Ia 4500
005 20260413100557.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aUppal M.M
245 0 _aA.T.B of Engg Chemistry
260 _bDelhi Khanna Publisher
_c1994
300 _a80
942 _cGB
999 _c2324
_d2324