Child, R. Dennis <br/><br/>
Arid and semiarid lands  sustainable use and management in developing countries 
R. Dennis Child 
 - ix, 208 páginas  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pastizales<br/>Zonas áridas y semiáridas
<br/><br/><label>Dewey Class. No.: </label>333.741 7  / CHI 1984