HIPPA, Heikki <br/><br/>
The genus Pseudozygoneura Steffan (Diptera, Sciaridae) / 
Heikki Hippa, Pekka Vilkamaa & Andreas Heinakroon. 
 -- Helsinki :   Finnish Zoological and Botanical Publishing,   1998 
 - 86 p. -- 
 (Acta Zoologica Fennica, ISSN 0001-7299  ; 210).
<br/><br/>ISBN 951-9481-55-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dípteros
<br/><br/><label>Universal Decimal Class. No.: </label>595.77