FAO/IBPGR technical guidelines for the safe movement of yam germoplasm 

 - Rome :  FAO,  1989 
 - 20 p.  : ilus. 
<br/><br/><label>LCCN: </label>6809 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ñame--Enfermedades.<br/>Ñame--Germoplasma.<br/>Ñame--Plagas.