Allard, R.W. <br/><br/>
Principles of plant breeding. 
/ by R.W. Allard. 
 - New York :  Toppan Company,  1960. 
 - xi, 485 p. ;  24 cm. 
<br/><br/><label>Dewey Class. No.: </label>631.53 ALL  / 1269