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

 - London  English Language book Society  1979 
 - 408p 
<br/><br/>N. W. Simmonds: Principles of crop improvement.  London.  English Language book Society, 1979. 0-582-40737-0--(581.56SIM)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-582-40737-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Breeding
<br/><br/><label>Dewey Class. No.: </label>581.56  / SIM