000 00296nam a2200121Ia 4500
008 160601s9999 xx 000 0 und d
100 _aTrivedy, R K Ed
_951715
245 _aEcology and pollution of Indian rivers
260 _aNew Delhi
260 _bAshish Pub
260 _c1988
300 _a447
999 _c17881
_d17881