Hoy, Erich. <br/><br/>
Conserving the wild relatvies of crops 
/ by Erich Hoyt illustration by Susanah Brown. 
 - Italy :  International Board for Plant Genetic Resources.  1988. 
 - 45 p. ;  25 cm. 
<br/><br/><label>Dewey Class. No.: </label>633 HOY