Smith, Robert Leo. <br/><br/>
Ecology & field biology /  
Robert Leo Smith. 
 - 5th ed /   . 
 - New York :   Harper Collins ,   1996. 
 - xix,740p. :   ill. ;   27cm .  
<br/><br/><label>ISBN: </label>0065009762  NULL 
<br/><br/><label>Subjects--Index Terms: </label>ECOLOGY 
<br/><br/><label>Dewey Class. No.: </label>581.7  / SMI/E