1. Evaluation of carbon dioxide sequestration in Japan with a mathematical model;Akimoto;Energy,2004
2. APEC Energy Demand and Supply Outlook 2002,2002
3. COMPASS, 2004. Towards a Sustainable Energy Society: Alternative Scenarios for the Future of Our Energy, Environment, and Economy. Citizen's Open Model Projects for Alternative and Sustainable Scenarios, Tokyo.
4. Deutscher Bundestag, 2002. Enquete Commission on Sustainable Energy Supply Against the Background of Globalisation and Liberalisation. Summary of the Final Report (see http://www.wupperinst.org/renewables/english.html♯top).
5. Energy White Paper: Our energy future—creating a low carbon economy,2003