Cooper, Bruce E. <br/><br/>
Diptera types in the Canadian national collection of insects part 2 :  brachycera / 
Bruce E. Cooper, Jeffery M. Cumming 
 - Maryland :  Accents Publications Service,  1993 
 - 105 p.  28 cm. 
<br/><br/><label>ISBN: </label>0660579790  RM130.42