Mathis, Wayne N.,  <br/><br/>
Studies of gymnomyzinae (diptera  ephydridae):  a revision of the shore fly subgenus pseudohecamede hendel of the genus allotrichoma becker/ 
Wayne N. Mathis. 
 - Washington:  Smithsonian Institution Press,  1991. 
 - 28 pages :  illustrations ;   29 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ephydridae--Classification.