Simmonds, N. W. <br/><br/>
Principles of crop improvement / 
N.W. Simmonds. 
 - London :  Longman,  1979. 
 - xiv, 408 p. :  ill. ;  23 cm. 
<br/><br/> Includes indexes. 
<br/><br/>Bibliography: p. 369-399. 
<br/><br/>
<br/><br/><label>ISBN: </label>0582446309 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant-breeding.
<br/><br/><label>Dewey Class. No.: </label>631.53  / S592