Smith, Robert Leo <br/><br/>
Elements of ecology and field biology 

 -  4th Ed. 
 - California   The Benjamin/Cummings Publishing Company   1998 
<br/><br/><label>ISBN: </label>978-0-321-00687-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Biology -- Fieldwork<br/>Ecology<br/>Ecology
<br/><br/><label>LC Class. No.: </label>QH541.S624