Conservation and economic evaluation of biodiversity 
/ edited by P. Pushpangadan [et all]. 
 - New Delhi :  Oxford and IBH,  1997. 
 - xxii, 650 p. ;  32x42 cm. 
<br/><br/><label>ISBN: </label>8120411854 
<br/><br/><label>Dewey Class. No.: </label>338.0973 PUS