000 00303nam a2200121Ia 4500
008 220201s1997 xx 000 0 eng d
082 _a628.3
_bMAN
100 _aManlik, MN
245 0 _aWaste water treatment & sewage disposal
260 _bStandard Book Services
_c1997
300 _a176
942 _2ddc
999 _c86612
_d86612