Deserts :  the encroaching wilderness : a world conservation atlas / 
edited by Tony Allan and Andrew Warren ; introduction by Mostafa Tolba. 
 - New York :  Oxford University Press,  1993. 
 - 176 p. :  col. ill., col. maps ;  30 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0195209419 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Deserts.
<br/><br/><label>LC Class. No.: </label>GB611  / .D48 1993