000 00252nam a2200133Ia 4500
100 _aAhirrao, W. R.
365 _b20
942 _cBK
654 _a
245 _aEnviroment Science
260 _aPune
_c1988
082 _a574.5
300 _bPb
_a4114
999 _c374029
_d374029
041 _aeng