Aber, John D. <br/><br/>
Terrestrial ecosystems/ 
John D. Aber and Jerry M. Melillo. 
 - Philadelphia :  Saunders,  1991. 
 - xiv, 429 p. :   ill. ;   24 cm. 
<br/><br/>Includes references and index 
<br/><br/><label>ISBN: </label>0030474434  RM101.31 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Man--Influence on nature