Smith, Robert Leo. <br/><br/>
Ecology and field biology / 
Robert Leo Smith. 
 - 2nd ed. 
 - New York :  Harper and Row,  1974. 
 - xi, 850 p. :  ill., (maps on endpaper) 
<br/><br/><label>ISBN: </label>0060463341 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.