000 00343nam a2200145Ia 4500
008 131111s9999 xx 000 0 und d
100 _aBisht,Sujata
245 _aParyavaran pradushan aur ikkisavi sadi
260 _aNew Delhi
260 _bTakshshila
260 _c1992
300 _a126p.
650 _aHindi
_aPollution
763 _a20525
999 _c33603
_d33603