1. Boyle, G. (Ed.), 1996. Renewable Energy—Power for a Sustainable Future. Oxford University Press, Oxford.
2. Chang, W.P., Chan, C.-C., Wang, J.-D., Steel resulting in elevated civilian radiation doses, causes and challenges. Health Physics 73(3), 465–472.
3. DWTMA (Danish Wind Turbine Manufacturers Association), 2000. 21 Frequently Asked questions about Wind Energy. DWTMA Website: http://www.windpower.dk/faqs.htm.
4. ECDGE (European Commission's Directorate General for Energy), 1998. Wind Energy—The Facts. AGORES(A Global Overview of Renuvable Energy Sources), website: http://www.uyates.org/Ryliiitions/Wind-Energy.htm.
5. ECROC (Energy Commission of the Republic of China), 1998. White Paper of Energy Policy of the Republic of China. Taipei, Taiwan.