Gowen John W Ed. <br/><br/>
Heterosis 

 - Ames Iowa   Iowa State College Press        1952 
 - ix, 552p.  cm. 
<br/><br/><label>Standard No.: </label>39588 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>G:62, J2