000 00349nam a2200145Ia 4500
008 131111s9999 xx 000 0 und d
100 _aSrivastava,V Yogendra
245 _aEnvironmental pollution
260 _aNew Delhi
260 _bAshish
260 _c1989
300 _a84p.
650 _aEnvironment
_aPollution
_aGeography
763 _a15269
999 _c37180
_d37180