000 00266nam a2200109Ia 4500
999 _c7749
_d7749
020 _a0824766210
100 _aWilliam F Pickering
245 _aPollution Evaluation:The Quantitative Aspects
260 _c1977
_bMarcel Dekker
_aNew York
300 _avi+199
942 _cBK