Vavilov N I <br/><br/>
Origin, variation immuity and breeding of culivated plants 

 -  1951 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>55982 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J:G:6, J1