Spangler, Paul J. <br/><br/>
A revision of the neotropical aquatic beetle genera Disersue, Pseudodisersus and Potamophilops(Coleoptera  Elmidae) 
Paul J. Spangler and Silvia Santiago 
 - Washington  Smithsonian Institution Press  1987 
 - 40 p. : ill. ; 28 cm. 
 - Smithsonian Contribution to zoology, no. 446 .
<br/><br/> Abstract in English and Spanish 
<br/><br/>Bibliography:p.40 
<br/><br/><label>LCCN: </label>86-600252 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Disesus--Latin America--Classification<br/>Pseudadisersus--Latin American--classification<br/>Potamophilops--Latin American--Classification<br/>Insects, Aquatic--Latin American classification