000 00268nam a2200109Ia 4500
008 170102s9999 xx 000 0 und d
100 _aMetcaff
245 _aWastewater engineering/ 4e.
_cMetcaff
260 _bTata Mcgrow Hill
_c2011
700 _a Eddy
942 _cBooks
999 _c10474
_d10474