000 00337nam a2200145Ia 4500
100 _aDara/S.S
650 _aChemistry
942 _cBK
654 _aenvironmental
245 _aTextboolk of Environmental chemistry and pollution control
260 _bS.Chand & co
_c2002
082 _a628.5
_bDAR
300 _a338
546 _aENGLISH
999 _c24319
_d24319