Nahal, Ibrahim. <br/><br/>
Principes de conservation du sol / 

 - Paris :  Masson,  1975. 
 - 143 p. :  ill. ;  24 cm. 
 - Collection de géographie applicable .
<br/><br/><label>ISBN: </label>2225400733 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil conservation.
<br/><br/><label>Dewey Class. No.: </label>631 MAS 1975