000 00353nam a2200145Ia 4500
008 131111s9999 xx 000 0 und d
100 _aGautam,Ashtosh
245 _aEcology and pollution of Mountain waters
260 _aNew Delhi
260 _bAshish.P.H
260 _c1990
300 _a209p.
650 _aPollution
_aEnvironment
763 _a16766
999 _c52898
_d52898