00779nam a2200253Ia 4500 Z_1273 220113s1988 xx 000 0 und d 164361 635.977 R5 REGISTRO REPETIDO Richard, W. H. 97245 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 138512 160966 Arbustos 6713 Ecología vegetal I.t. 138513 Ecosistema 35290 635.977 R5 REGISTRO REPETIDO M 1988 c1 164361 164361