000 00287nam a2200109Ia 4500
008 220201s1958 xx 000 0 eng d
100 _aEhlers, Victor M & Steel, Ernest W
245 0 _aMunicipal & rural sanitation
260 _bMc Graw Hill Book Co
_c1958
300 _a596
942 _2ddc
999 _c71170
_d71170