000 00296nam a2200133Ia 4500
008 230108s9999 xx 000 0 und d
100 _aSrivastava AK
245 0 _aAir Pollution
260 _bAshish
260 _c1991
365 _b300.00
650 _aEnvironmental Science
942 _cBK
999 _c238668
_d238668