More water for arid lands :
More water for arid lands :
- Washington : National Academy of Sciences, 1974.
- vii, 153 p. ;
Introduction and summary in English, Arabic, French, and Spanish. "Prepared ... for the Office of Science and Technology, Bureau for Technical Assistance, Agency for International Development, Washington, D.C."
Water-supply.
Water conservation.
Water-supply, Agricultural.
Arid regions.
628/.72 MOR
Introduction and summary in English, Arabic, French, and Spanish. "Prepared ... for the Office of Science and Technology, Bureau for Technical Assistance, Agency for International Development, Washington, D.C."
Water-supply.
Water conservation.
Water-supply, Agricultural.
Arid regions.
628/.72 MOR