Simmonds, N.W., <br/><br/>
Principles of Crop Improvement / 
by N.W. Simmonds 
 - xiv, 408 pages :  Illustrations ;  22 cm 
<br/><br/>Includes bibliographical references and indexes 
<br/><br/><label>ISBN: </label>0582446309 (paperback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crop improvement
<br/><br/><label>LC Class. No.: </label>SB106.I47  / S56