000 00322nam a2200109Ia 45e0
008 181001s1966 xx 000 0 und d
100 _aUppal M.M.
245 0 _aTextbook of engineering chemistry
260 _aDelhi
_bKhanna Delhi
_c1966
300 _a80
942 _2ddc
_cBK
999 _c1036
_d1036