000 00311nam a2200133Ia 4500
008 220928s9999 xx 000 0 und d
082 _bGOY
100 _aGOYAL, SUNITA
245 0 _aENGINEERING CHEMISTRY-2
260 _bCBH, JAIPUR
_c2012
300 _a238
650 _aEngineering Chemistry
942 _cBK
999 _c208569
_d208569