Thomson, W.T. <br/><br/>
A worldwide guide to beneficial animals (insects  / 
mites  /   nematodes) : used for pest control purposes  /   by W.T. Thomson 
 - Fresno, Ca.  :   Thomson publications 
 - 92 p. 
<br/><br/><label>LCCN: </label>200536 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Entomología económica
<br/><br/><label>Dewey Class. No.: </label>PA 632.7 T4