Free, John B. <br/><br/>
Insect pollination of crops 

 - 2 ed. 
 - London :  Academic Press,  1993 
 - 684 p. ilus. 
<br/><br/><label>LCCN: </label>7825 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plantas--Fertilización.<br/>Polinización.
<br/><br/><label>Dewey Class. No.: </label>581.1662  / F7 1993