000 00277nam a2200121 4500
082 _a363.7
_bPRA/H
100 _aPrasad, Govind
245 _aHandbook of environmental science
260 _aNew Delhi
_bDiscovory
_c2012
300 _a225p
942 _cBK
952 _8Stack
_cStack
999 _c55725
_d55725