Smith  <br/><br/>
Ecology and field biology  
/ Robert Leo Smith. 
 - 5th ed. 
 - New York  Harper Collins College Publishers  1996. 
 - xix, 740p.  ill. (some col.)  29cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0065009762  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology--Fieldwork<br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>574.5 SMI 1996