Simmonds, N.W <br/><br/>
Principles of crop improvement 

 - 2nd 
 - London  Blackwell Science Ltd  1979 
 - xii,412p. 
<br/><br/><label>ISBN: </label>9780632041916 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BIOTECHNOLOGY<br/>Crop Improvement<br/>Plant Breeding
<br/><br/><label>Dewey Class. No.: </label>631.53  / SIM