Water and tribal settlement in South-east Arabia : a study of the Aflaj of Oman 2026-02-15T21:02:12+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Wilkinson, John Craven (Oxford research studies in geography, 1977)