000 00302nam a2200121Ia 4500
100 _aOkun, Danel A.
020 _a92-4-156045-2
942 _cBK
245 _aCommunity wastewater collection and disposal
260 _aWorld Health Organization, Geneva
_c1975
082 _a628.3 Oku
300 _axii,287
999 _c28422
_d28422