HUDSON, NORMAN W. <br/><br/>
SOIL AND WATER CONSERVATION IN SEMI-ARID AREAS 

 - ROME  FAO  1987 
 - 172p. 
<br/><br/><label>ISBN: </label>9251026068 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOIL CONSERVATION
<br/><br/><label>LC Class. No.: </label>S 623   / .H83 1987