Parry, M. L.  ed. <br/><br/>
The impact of climatic variations on agriculture 

 - Netherlands  Kluwer Academic publishers incorporates  , 1988 
 - 764 p. 
 -   Asessments in semi-arid regions   vol.2 .
<br/><br/><label>ISBN: </label>90-277-2719-8 (v. 2) 
<br/><br/><label>Dewey Class. No.: </label>304.25