Cooper, B.E. <br/><br/>
Diptera types in the Canadian National Collection of Insects. Types de Diptères de la Collection nationale des Insectes du Canada. Part 1 : Nematocera. Ottawa : Can. Gov. Publ. Centre. Supply & Serv. Can. (Publ. Res. Branch). 

 - 113 pp. 
<br/><br/><label>ISBN: </label>0-660-13037-8