1. Promoting environmental innovation in the energy sector: an analytical framework for dynamic efficiency assessments;Christiansen;Energy and Environment,2002
2. Puulla parempiin päiviin ja kestävään kehitykseen? (With wood to better days and sustainable development);Donner-Amnell,1995
3. Technology policy: the interaction between government and markets;Edquist,1995
4. Environmental Sustainability Index, 2005. Yale Center for Environmental Law and Policy, Yale University. Center for International Earth Science Information Network, Colombia University. Accessed October 10, 2005: http://www.yale.edu/esi/ESI2005_Main_Report.pdf.
5. European Commission (EC), 2004. Integrating environmental considerations into other policy areas—a stocktaking of the Cardiff process. Commission Working Document, COM(2004)394 Final. European Commission, Brussels.