Delaplane, Keith S. <br/><br/>
Crop pollination by bees / 
Keith S. Delaplane and Daniel F. Mayer. 
 - Wallingford [England] ;  New York :  CABI,  c2000. 
 - xv, 344 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>9780851994482 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Food crops  -- Breeding.<br/>Honeybee.<br/>Pollination by bees.