1. European Communities. Council directive on the promotion of the use of biofuels or other renewable fuels for transport (2003/30/EEC).
2. Technical/economic/environmental analysis of biogas utilisation;Murphy;Appl Energy,2004
3. Technical, economic and environmental analysis of energy production from municipal solid waste;Murphy;Renewable Energy,2004
4. Anaerobic fermentation of refuse;De Baere,1987
5. De Wilde B, Six W, De Baere L. Dry anaerobic conversion of source separated household waste to biogas and humotex, 42 Informationsgesprach des ANS Vergarung fester organischer Abfalle Moglichkeiten und Grezen der Biogasgewinnung@. Basel, 7–9 November 1989.