CLAPHAM, W.B., Jr. <br/><br/>
Natural ecosystems / 
[by] W.B.Clapham, Jr. 
 - New York  Macmillan pub.  1973 
 - viii, 248 pages. 
<br/><br/> Includes appendix & index. 
<br/><br/><label>ISBN: </label>23225009 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>577  / CLA