Smith, Robert Leo <br/><br/>
Elements of ecology and field biology / 
Smith, Robert Leo 
 - xii, 497 p. : ill. ; 25 cm. 
<br/><br/><label>ISBN: </label>0060463287 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Biology -- Fieldwork<br/>Ecologie.
<br/><br/><label>Dewey Class. No.: </label>574.5