000 00303nam a2200133Ia 4500
008 221231s9999 xx 000 0 und d
100 _aJain and Jain
_92777
245 0 _aEngineering Chemistry
260 _bDhanpat Rai
260 _c2002
300 _a232
650 _aChemistry
_92778
942 _cBE_BK
999 _c2695
_d2695