Barbeier, Edward B. <br/><br/>
The economic value of ecosystems :  1-tropical wetlands / 
Edward B. Barbeier 
 - London :  London Environmental Economics Centre (LEEC) .  1992 
 - 15p. :  ill. ;  29 cm.  
 - Gatekeeper  No. 89-02 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic systems<br/>Westlands<br/>Environment<br/>Natural resources
<br/><br/><label>Gov. Doc. Class. No.: </label>GB LEEC GS 89-02