000 00399nam a2200157Ia 4500
008 210210b1990 xxu||||| |||| 00| 0 eng d
020 _a81 7024 267 3
082 _a574.5263 TRIW
100 _aTRIPATHI (A K) & PANDEY (S N).
245 _aWater pollution.
260 _aND
_bAshish publishing house
_c1990
300 _aix,326
650 _aWater pollution
690 _aEcology
906 _a043823
999 _c93339
_d93339