TY - BOOK ED - National Conference on Individual Onsite Wastewater systems 3rd (1976 : Ann Arbor, Michigan) ED - McClelland, Nina I. ED - National Sanitation Foundation (U.S.) ED - United States. Environmental Protection Agency. Office of Research and Development. TI - Individual onsite wastewater system: proceedings of the fourth national conference 1977 SN - 0250401568 PY - 1976/// CY - Ann Arbor PB - Ann Arbor Science KW - Sewage disposal KW - United States KW - Congresses KW - Law and legislation ER -