Environment encyclopadia and directory 
by Europa 
 - London  Europa  1994 
 - 381p. 
<br/><br/><label>ISBN: </label>0946653941 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment - Directory
<br/><br/><label>Dewey Class. No.: </label>O91055 Eu74 R