000 00280nam a2200121Ia 4500
008 230401s2012 xx 000 0 eng d
082 _a658.5
100 _aDAVIS M L
245 0 _aINTRODUCTION TO ENVIROMENT ENGINEERING
260 _bTMH
_c2012
300 _a500
942 _2ddc
_cBTECH
999 _c468
_d468