000 00272nam a2200097Ia 4500
008 230508s2007 xx 000 0 und d
041 _aeng
100 _aSAWYER CLAIR
245 _aCHEMISTRY FOR ENVIRONMENTAL ENGINEERING AND SCIENCE
260 _bTATA MCGRAW HILL
_c2007
_g2006
999 _c714297
_d714297