000 00340nam a2200133Ia 4500
008 220919s9999 xx 000 0 und d
082 _bSIN
100 _aSINGH, SEEMA
245 0 _aENVIRONMENTAL ENGINEERING AND DIAOSTER MANAGEMENT
260 _bCOLLEGE BOOK CENTER, JAIPUR
_c2010
300 _a150
650 _aChemistry
942 _cBK
999 _c145443
_d145443