000 00261nam a22001217a 4500
999 _c1557
_d1557
020 _a9788131304716
082 _a363.7394
100 _aA K Tripathi & S N Pandey
245 _aWater Pollution
260 _aNew Delhi
_bAshish
_c2009
300 _a326
942 _cBK