Free J B <br/><br/>
Insect pollination of crops 

 - London  Academic Press          1970 
 - xi, 544p.  cm. 
<br/><br/><label>Standard No.: </label>56614 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Agriculture<br/>Insects
<br/><br/><label>Dewey Class. No.: </label>J:9670aK86, L0