000			00404nam a22001337a 4500
999			_c1428 _d1428
020			_a0-07-235053-9
082			_aCir. 621.48 D295 c2004
100			_aDavis, Mackenzie L. & Masten, Susan J.
245			_aPrinciples of environmental engineering and science
250			_aInternational Ed.
260			_aNew York: _bMcGraw-Hill Companies, Inc.; _cc2004.
300			_axvi, 704p. : ill. ; 220cm
942			_cBK