000 00343nam a2200157Ia 4500
008 160615s9999 xx 000 0 und d
100 _aPHELPS(Earle B)
245 _aStream sanitation
260 _aNew York
260 _bJohn Wiley
260 _c1944
300 _axi p. + 276
942 _cBooks
999 _c5712
_d5712