DateRome : Food and Agriculture Organization of the United Nations, 2003
viii, 43 p.
"A joint publication of the FAO Land and Water Development Division, the International Atomic Energy Agency, the United Nations Department of Economic and Social Affairs, and the United Nations Educational, Scientific and Cultural Organization with contributions from the Institute for Social and Environmental Transition, Boulder, Colorado, United States of America, and the International Association of Hydrogeologists, Kenilworth, United Kingdom." "TC/M/Y4495E/1/2.03/1060"--Back cover. Bibliography: p. 41-43.