Biblio

World Water Assessment Programme -Paris, France, WWAP y UN-Water -New York, NY, US, United Nations world water development report 4 : managing water under uncertainty and risk, Fourth edition., vol. no. 4. Paris, France: UNESCO, 2012, p. 3 vol. (xii, 867 p.; ill.; tab.; fig.; boxes; maps).

World Water Assessment Programme -Paris, France, WWAP, Water in a changing world, vol. no. 3. Paris, France: UNESCO, 2009, p. xxvi, 318 p. : boxes, fig., maps, tab.