Yepsen, R.B. <br/><br/>
The Encyclopedia of Natural Insect of Disease 

 -  Colonia Rodate Press  1984 
 - 490 p. 
<br/><br/> 19833 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>625.92  / E