Richard, W. H. Shrub-Steppe : balance and change in a semi-arid terrestrial ecosystem / ed. by W. H. Richard [and others] - Amsterdam : Elsevier, 1988 - 272 p. : ilus - Developments in agricultural and managed-forest ecology; 20 . LCCN: 164361 Subjects--Topical Terms: Arbustos EcologĂa vegetal I.t.Ecosistema Dewey Class. No.: 635.977 R5 REGISTRO REPETIDO