Smith, Robert Leo. <br/><br/>
Ecology and field biology (with CD) /  
Robert Leo Smith and Thomas M Smith. 
 - 6th ed /   . 
 - California :   Benjamin-Cummings Publishings ,   2001. 
 - xviii,770, 67 p. :   ills.,maps,picts.,charts ;   28cm .  
<br/><br/>Includes references, glossary and index 
<br/><br/><label>ISBN: </label>0321042905  RS116.60 
<br/><br/><label>Subjects--Index Terms: </label>ECOLOGY 
<br/><br/><label>Dewey Class. No.: </label>577.074  / SMI/E