Neil Helyer  <br/><br/>
A Colour Handbook of Biological Control in Plant Protection 
Neil Helyer  
 - UK  Manson Publishing  2003 
<br/><br/><label>ISBN: </label>9781874545286 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Colour Handbook; Biological Control
<br/><br/><label>LC Class. No.: </label>SB975  / .H44-2003