Drylands : environmental management and development /
Beaumont, Peter.
Beaumont, Peter.Environmental management and development in drylands.
London ; New York, N.Y. : Routledge,
1993.
Rev. ed. of: Environmental management and development in drylands. 1989.
Includes bibliographical references (p.      ) and index.
Desert resources development.
Arid regions.
Arid regions