Arid land irrigation in developing countries : environmental problems and effects : based on the international symposium, 16th-21st February, 1976, Alexandria, Egypt 2026-02-15T23:12:12+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Worthington, E. Barton (Edgar Barton), 1905- (Pergamon Press, 1977)