000 00366nam a2200121Ia 4500
005 20251007104219.0
008 251006s9999 xx 000 0 und d
100 _aeckenfelder,william wasley,1926-
245 0 _a.water quality engineering for practieing engineersbeckenfelder,william wesley,1926-
260 _a1st ed. | .N.Y.bBarnes
260 _c1970
942 _cBOK
999 _c2487
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