Crop genetic resources  conservation and evaluation 
edited by J.H.W. Holden and J.T. Williams 
 - London  Allen & Unwin  1984 
 - xvi, 296 p.  ill.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Germplasm resources, Plant<br/>Germplasm resources, Plant--Preservation
<br/><br/><label>Dewey Class. No.: </label>631.5  / 2