Simmonds, N W <br/><br/>
Principles of Crop Improvement 

 - Logman  English Language Book Society  1979 
 - 408p. 
<br/><br/><label>Subjects--Uniform Titles: </label>--GENERAL STACK
<br/><br/><label>Subjects--Topical Terms: </label><br/>TECHNOLOGY--AGRICULTURE & RELATED TECHONOLOGIESGeneralia
<br/><br/><label>Dewey Class. No.: </label>630  / SIM-P