TY - BOOK AU - Gales,Morris E. AU - Booth,Robert L. TI - Evaluation of the technician block digester system for total Kedah nitrogen and total phosphorus U1 - 671.7 PY - 1978/// CY - Ohio PB - U.S. Environmental Protection Agency KW - Sewage KW - Purification KW - Phosphorus KW - Environmental aspects N1 - EPA-600 / 4-78-015 February-1978 ER -