Coursey, D G <br/><br/>
Yams  

 - London:   Longsmans,   1967 
 - 230p. 
 - Tropical agriculture series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture 
<br/><br/><label>Subjects--Index Terms: </label>Cultivation 
<br/><br/><label>Universal Decimal Class. No.: </label>582.572  / K7