1. Sewage treatment using anaerobic digestion;Mosey,1980
2. Spare and flare;Bartlett,1982
3. Sludge gas power generation;Metcalf,1983
4. Digestion gas package generation—some recent experiences within Severn-Trent Water Authority;Noone;Water Pollution Control,1984
5. Energy balance for anaerobic digestion;Ozalvo;J. envir. Systems,1977