000			00272nam a2200109 4500
999			_c337415 _d337415
082			_a363.7 _bCUN.E
100			_aCunningham,William P.
245			_aEnvironmental science _cCunningham,William P.
250			_aFifth
260			_aBoston _c1999 _bWCB McGraw Hill
942			_cBK