Smith, Robert Leo <br/><br/>
Ecology and field biology 

 - 2nd ed. 
 - New York  Harper & Row  1974 
 - 850 p 
<br/><br/><label>ISBN: </label>0060463341 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>LC Class. No.: </label>QH 541 .S6/