Lane, Charles Barabaig natural resource management : substainable land use under threat of distruction / Charles Lane - Geneva: United Nations Research Institute for Social Development (UNRISDCH) , 1990 - 22p.; 24cm. - UNRISD Discussion paper . ISBN: 10126511 Subjects--Topical Terms: Natural resourcesLand useManagement Gov. Doc. Class. No.: UN RISD DP-12