000 00282nam a2200121Ia 4500
008 220201s1980 xx 000 0 eng d
082 _a540
_bMEH
100 _aMehta,VK
245 0 _aT.B of chemistry of engineering
260 _bJain brothers
_c1980
300 _a308
942 _2ddc
999 _c83574
_d83574