Lefroy, H. Maxwell. <br/><br/>
Manual of entomology  : with special reference to economic entomology 

 - Ed. rev. 
 - London :  Edward Arnold & Co.,  1984 (c1923) 
 - 541 p. 
<br/><br/><label>LCCN: </label>28926 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Entomología económica.
<br/><br/><label>Dewey Class. No.: </label>632.7  / L44 1923