Davidson, Donald A. The evaluation of land resources / Donald A. Davidson. - 2nd ed. - Harlow, Essex, England : Longman Scientific & Technical , 1992. - viii, 198 p. : ill. Rev. ed. of: Soils and land use planning. 1980. ISBN: 0470218401 LCCN: 93014289 Subjects--Topical Terms: Land use--Planning.Natural resources--Valuation.