Development of rainfed agriculture under arid and semiarid conditions : proceedings of the Sixth Agriculture Sector Symposium /
Ted J. Davis, editor.
- Washington, D.C., U.S.A. : World Bank, 1986.
- viii, 412 p. : ill. (some col.) ; 28 cm.
Proceedings held Jan. 6-10, 1986 at the World Bank.