000 00287nam a2200121Ia 4500
008 160921s9999 xx 000 0 und d
100 _aDAVIS MACKENZIE L
245 _aINTRODUCTION TO ENVIRONMENTAL ENGINEERING
250 _a4rth
260 _bTMH
_c2012
300 _a13.44
942 _cBK
999 _c1697
_d1697