Spangles, Paul J. <br/><br/>
A revision of the neotropical aquatic beetle genus Stenhelmoides (Coleoptera: Elmidae) 

 - Washington :  Smithsonian Institution,  1989 
 - 63 p 
 - Smithsonian contributions to zoology  ; 479 .
 - Smithsonian contributions to zoology  ; 479 .
<br/><br/> D48-187 
<br/><br/><label>LCCN: </label>3129 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Escarabajos.