000 00298nam a2200121Ia 4500
008 160710s1999 xx 000 0 und d
082 _a628.1
100 _aCOTRUVO,Joseph A.
245 _aProviding Safe Drinking Water in Small Systems
260 _bLewis
_c1999
300 _a650
942 _2ddc
_cB
999 _c59817
_d59817