000 00356nam a2200169Ia 4500
008 190201s9999 xx 000 0 und d
020 _a70495394
082 _a628
082 _b3 WAS
100 _aMetcalf & Eddy
245 0 _aWastewater Engineering
250 _aFourth
260 _aNew Delhi
260 _bTNH
260 _c2003
300 _a1819
999 _c44121
_d44121