Krey, V., Masera, O., Blanford, G., Bruckner, T., Cooke, R., Fischer-Vanden, K., Haberl, H., Hertwich, E., Kriegler, E., Mueller, D., Paltsev, S., Price, L., Schlömer, S., Ürge-Vorsatz, D., Vuuren, D. P. v., & Zwickel, T. (2014). Metrics & Methodology [Annex II]. In Climate Change 2014: Mitigation of Climate Change (pp. 1281-1328).