World who is who and does what in environment and conservation 
edited by Nicholas Polunin, compiled by Lynn M Curme 
 - London  Earthscan Pub.  1996 
 - 592 p. ; 24 cm. 
<br/><br/><label>ISBN: </label>1853833770  RM212.67 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmentalists--Biography<br/>Conservationists--Biography