1. Doorenbos, J. & Kassam, A. (1979) Yield response to water, FAO irrigation and drainage paper 33, Food and Agriculture Organization of the United Nations, Rome, Italy, pp.193.
2. Fischer, G. et al. (2012) Global Agro-Ecological Zones (GAEZ v3.0) – Model Documentation – Laxenburg, Austria & Food and Agriculture Organization of the United Nations, Rome, Italy, pp.179. (website at http://www.fao.org/fileadmin/user_upload/gaez/docs/GAEZ_Model_Documentation.pdf )
3. Fischer, G. et al. (2002) Global agro-ecological assessment for agriculture in the 21st century: Methodology and results, International Institute for Applied Systems Analysis, Laxenburg, Austria & Food and Agriculture Organization of the United Nations, Rome, Italy, pp.119.
4. Furuya, J. & Kobayashi, S. (2009) Impacts of global warming on agricultural product markets: stochastic world food model analysis. Sustainability Science, 4, 71-79.
5. Furuya, J. & Koyama, O. (2005) Impacts of climatic change on world agricultural product markets: estimation of macro yield functions. JARQ, 39, 121-134.