# References Goldstein, G., Noble, K. & Van Regemorter, D. 2001. *Adaptation to MARKAL for including environmental damages*. MARKAL User Information Note. Loulou, R., Goldstein, G. & Noble, K. 2004. *Documentation for the MARKAL Family of Models.* October 2004*.* Loulou, R., Remme, U., Kanudia, A., Lehtilä, A. & Goldstein, G. 2005. *Documentation for the TIMES Model*. Energy Technology Systems Ananlysis Programme (ETSAP), April 2005. Nemhauser, G.L., Rinnooy Kan, A.H.G. & Todd, M.J. (eds.) 1989. Handbooks in Operations Research and Management Science, Vol I: Optimization. North-Holland.