Desertification control bulletin. 

 - [Nairobi] :  United Nations Environment Programme, 
 - v. :  ill,  30 cm. 
 - Semiannual 
 - began with vol. 1, no. 1 (June 1978). 
<br/><br/> Description besad on : no. 30, 1997. 
<br/><br/><label>ISSN: </label>0379-2455 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Desertification--Periodicals.<br/>Environmental protection--Periodicals.<br/>Environmental policy--Periodicals.
<br/><br/><label>LC Class. No.: </label>GB611  / D48