1. Graßl H, Kokott J, Kulessa M, Luther J, Nuscheler F, Sauerborn R, et al. Climate protection strategies for the 21st century: Kyoto and beyond. Report prepared by the German Advisory Council on Global Change, Berlin; 2003.
2. Article 2 of the UNFCCC: historical origins, recent interpretations;Oppenheimer;Climatic Change,2005
3. The value of waiting to invest;McDonald;Quart J Econ,1986
4. Irreversible investment, capacity choice, and the value of the firm;Pindyck;Am Econ Rev,1988
5. Irreversibility, uncertainty and investment;Pindyck;J Econ Lit,1991