Symons, B <br/><br/>
Miscellaneous insect pests  / 
B. Symons and E. N. Cory 
 - College Park  :   Maryland Agricultural College 
 - p. 171-80 
 - Maryland Agr. Exp. Sta. Bull; 175 .
<br/><br/><label>LCCN: </label>203443 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insectos -- Indetificaciòn