Swan, Lester A <br/><br/>
Beneficial Insects 

 - London  Harper & Raw  1964 
 - 428p. 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insect pests--Zoology--Biological control
<br/><br/><label>Dewey Class. No.: </label>632.9  / SWA-B