Krull, Charles F. <br/><br/>
The utilization of collection in plant breeding and production 

<br/><br/> Sobretiro de : Frankel, O. H. Genetic resources in plants: their exploration and conservation. London, Blackwell, 1970, pp. 427-439 
<br/><br/><label>LCCN: </label>69800 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plantas--Colección y preservación.<br/>Plantas--Mejoramiento.