The Economy of Nature / 
Ricklefs,Robert E., 
 - 6th ed. 
 - New York :  W. H. Freeman and company,  c 2008 
 - xix,470 pags :  col.som.ill.,  28 cm. 
<br/><br/><label>ISBN: </label>9 780716 786979 
<br/><br/><label>Subjects--Topical Terms: </label>--science
<br/><br/><label>Dewey Class. No.: </label>508 RIC