Usinger, Robert L. <br/><br/>
Monograph of cimicidae :  (hemiptera - heteroptera) / 
by Robert L. Usinger. 
 - College Park, MD. :  Entomological Society of America,  1966. 
 - 585 p. :  ill. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cimicidae.