Water productivity in agriculture: measuring the positive and negative externalities of paddy rice production

Boisvert, R.; Chang, H.; Barker, R.; Levine, G.; Matsuno, Y.; Molden, D. 2003. Water productivity in agriculture: measuring the positive and negative externalities of paddy rice production. In World Water Council. Proceedings of Sessions on "Agriculture, food and water" The Third World Water Forum (WWF3), 19 and 20 March 2003, Kyoto, Japan. Tokyo, Japan: Japanese Institute of Irrigation and Drainage. pp.203-215.