1. British Association of Bio-fuels and Oils (BABFO), 2003. Memorandum to the Royal Commission on Environmental Pollution: Study of Energy Crops for Heat and Power.
2. Biomass project burns out;Boyle;New Scientist,2002
3. Westminster Diary;Dalyell;New Scientist,2003
4. Department of Trade and Industry (DTI), 1996, Review of the DTI Passive Solar Programme, Part 1: Housing, ETSU R100.
5. Department of Trade and Industry (DTI), 1997. Review of the DTI Passive Solar Programme, Part 2: Non-Domestic Buildings, ETSU R101.