Pearce, David W.  1941- <br/><br/>
Economic value of biodiversity / 
David Pearce and Dominic Moran in association with the Biodiversity Programme of IUCN - the World Conservation Union 
 - Cambridge :  IUCN Publications Services Unit,  1994 
 - 172 p. ;  24 cm. 
<br/><br/>p.(149)-166 
<br/><br/><label>ISBN: </label>1853831956  RM52.71 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological diversity<br/>Species diversity<br/>Biological diversity conservation