Thorp, James H. <br/><br/>
Ecology and Classification of North American Freshwater Invertebrates 
Thorp, James H. 
 -  Academic Press  2001 
 - On-campus e-Book by ebrary under Digital Library Program of Higher Education Commission (HEC) of Pakistan 
<br/><br/><label>ISBN: </label>9780080530673     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life Science