000 00284nam a2200121Ia 4500
100 _aVarshney C.K (ed.)
020 _a0 85226 897 1
942 _cBK
245 _aWater pollution and management
260 _aWiley Eastern, New Delhi
_c1983
082 _a628.168 Var
300 _avi,242
999 _c16547
_d16547