Smetana, Ales  x <br/><br/>
Review of the family hydrophilidae of Canada and Alaska (Coleoptera)  x 

 - x 
 - Canada  The Entomological Society of Canada  1988 
 - 316p 
<br/><br/>Includes 
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology Insects 
<br/><br/><label>Dewey Class. No.: </label>R595.7641/S638r