Biblio

United Nations -New York, NY, US, “Comprehensive assessment of the freshwater resources of the world : report of the Secretary-General”. United Nations Department for Policy Coordination and Sustainable Development, New York, NY, USA, p. http://www.un.org/dpcsd/dsd/freshwat.htm, 1997.

United Nations -New York, NY, US, “Non-conventional water resources use in developing countries : proceedings of the Interregional Seminar, Willemstad, Curacao, Netherlands Antilles, 22-28 April 1985”, vol. no. 22. United Nations Department of Technical Co-operation for Development, New York, NY, USA, p. xvi, 515 p.: fig., tab., 1987.

United Nations -New York, NY, US, Efficiency and distributional equity in the use and treatment of water : guidelines for pricing and regulations, vol. no. 8. New York, NY, USA: United Nations, 1980, p. xii, 175 p.: fig., tab.