000			00472nam a22001937a 4500
003			Ost
005			20220829222523.0
008			220829b |||||||| |||| 00| 0 eng d
020			_aNA
040			_cBT-PhCST
050			_a4305
082			_222 _a628
100			_aDavis, Machenzie L. and Corwell, David A.
245			_aIntroduction to environmental engineering /
250			_a3rd ed.
260			_bMcGraw-Hill, _cc1998.
300			_a0 _bill. ;
942			_2ddc _cCIVIL
999			_c2255 _d2255