Spangler, Paul J. <br/><br/>
A revision of the neotropical aquatic beetle genus Stegoelmis (Coleoptera  Elmidae) 
Paul J. Spangler 
 - Washington  Smithsonian Institution Press  1990 
 - 52 p. : ill. ; 28 cm. 
<br/><br/> Abstract in English and Spanish 
<br/><br/><label>LCCN: </label>90-010103 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Stegoelmis--Latin
<br/><br/><label>Subjects--Geographic Terms: </label><br/>America--Classification