Lehmkuhl, Dennis M. <br/><br/>
How to know the aquatic insects / 
Dennis M. Lehmkuhl. 
 - Dubuque,Iowa :  W.M.C. Brown,  1979. 
 - The pictured key nature series .
<br/><br/>Bibliography 
<br/><br/><label>ISBN: </label>0697047679 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aquatic herbicides<br/>Insects, Aquatic
<br/><br/><label>LC Class. No.: </label>QL472  / Leh 1979