1. Internal combustion engines;Ballaney,1988
2. Use of biogas as diesel engine fuel;Biswas,1994
3. Energy, combustion, and environment;Chigier,1981
4. Alternative fuels;Goodger,1980
5. Hobson, P. N., S. Bousfield and R. Summers. Methane production from agricultural and domestic wastes, p. 152. Applied Science, London.