Smith, Robert Leo. <br/><br/>
Ecology and field biology / 
Robert Leo Smith; Illustrated by Ned Smith. 
 - New York :  Harper & Row,  c1966. 
 - xiv, 686 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.
<br/><br/><label>Dewey Class. No.: </label>577  / SME 1966