Ecological economics/ 
edited by Charles Perrings 
 - Los angeles:  Sage,  2008. 
 - 319p. 
<br/><br/>Vol. 1 The roots of ecological economics. Vol. 2 Modeling coupled ecological-economic systems. Vol. 3 Ecosystem services. Vol. 4 Sustainability. 
<br/><br/><label>ISBN: </label>9781412948609 
<br/><br/><label>Dewey Class. No.: </label>330  / PER/E