Simmonds, N. W. <br/><br/>
Principles of crop improvement / 
N. W. Simmonds. 
 - London ;  New York :  Longman,  c1979. 
 - xiv, 408 pages :  Illustrations ;  23 cm. 
<br/><br/> Includes indexes. 
<br/><br/>Bibliography: p. 369-399. 
<br/><br/><label>ISBN: </label>0582446309 
<br/><br/><label>LCCN: </label>78040726 
<br/><br/><label>Nat. Bib. No.: </label>GB79 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant breeding.
<br/><br/><label>LC Class. No.: </label>SB123  / .S53 
<br/><br/><label>Dewey Class. No.: </label>631.5/3