Houghton, David C <br/><br/>
Biodiversity of Minnesota caddisflies (Insecta: Trichoptera): delineation and characterization of regions.  [electronic resource] 

 -  Environmental monitoring and assessment  Jul 2004 
 - 153-81 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. 
<br/><br/><label>ISSN: </label>0167-6369 
<br/><br/><label>Standard No.: </label>10.1023/b:emas.0000029890.07995.90  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Biodiversity<br/>Environmental Monitoring<br/>Insecta--classification<br/>Minnesota<br/>Water