20061106d2005    m  y0frey50      ba <br/><br/>
Natural resource degradation policy,economics and management 

 - Bibliogr. p. 373-400 
 = Cambridge 
<br/><br/><label>LCCN: </label>0-521-82313-7 978-0-521-82313-5 
<br/><br/><label>LC Class. No.: </label>HC 59.7   / .B37