000			00362nam a22001577a 4500
003			OSt
020			_aNA
040			_c0
082			_222 _a628.21
100			_aMasters, Gilbert M.
245			_aIntroduction to environment engineering and science /
250			_a2nd ed.
260			_bPearson Education, _cc2004.
300			_a0 _bill. ;
942			_2ddc _cCIVIL _02
999			_c4472 _d4472