000 00308nam a2200133Ia 4500
001 122240
008 170722s9999 xx 000 0 und d
100 _aEhlers, Victor M.
245 _aMuncipal and rural sanitation /
250 _a5th ed.
260 _c1958.
700 _aSteel, Ernest W.
942 _cGEN
999 _c62845
_d62845