Free, John Brand. <br/><br/>
Insect pollination of crops, 
by John B. Free. 
 - London, New York,  London, New York,  Academic Press,  1970. 
<br/><br/>Bibliography: p. [444]-506. 
<br/><br/><label>ISBN: </label>012266650X 
<br/><br/><label>LCCN: </label>72117141 //r84 
<br/><br/><label>Nat. Bib. No.: </label>B*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollination by insects.<br/>Field crops.
<br/><br/><label>LC Class. No.: </label>QK926  / .F7 
<br/><br/><label>Dewey Class. No.: </label>631.5/31