x  x <br/><br/>
Annotated keys to the genera of nearctic chalcidoidea(Hymenoptera)  x 

 - x 
 - Ottawa  NRC research pub.  1997 
 - xi,794 
<br/><br/>Includes 
<br/><br/><label>ISBN: </label>0660166690 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hymenoptera Zoology 
<br/><br/><label>Dewey Class. No.: </label>595.79/A615