Simmonds, N. W.  1922- <br/><br/>
Principles of crop improvement / 
by N.W. Simmonds. 
 - Harlow, Essex, England :  New York :  Longman Scientific & Technical ;  Wiley,  1987, c1979. 
 - xiv, 408 p. :  ill. ;  22 cm. 
<br/><br/> Reprint. Originally published: London ; New York : Longman, 1979.  Includes indexes. 
<br/><br/>Bibliography: p. 369-399. 
<br/><br/><label>ISBN: </label>0470205881 (Wiley : pbk.) 
<br/><br/><label>Source: </label>B-1298 
<br/><br/><label>LCCN: </label>86020934  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant breeding.
<br/><br/><label>LC Class. No.: </label>S603.  / .S56 1979 
<br/><br/><label>Dewey Class. No.: </label>631.5/3