The environment encyclopedia and directory 1998 

 - 2nd ed 
, 33.7 
 - Londres :  Europa Publications,   1998 
 - xvi; 560 p 
<br/><br/><label>ISBN: </label>185743028X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MEDIO AMBIENTE<br/>DIRECTORIOS<br/>GESTION AMBIENTAL<br/>CONSERVACION DE LA NATURALEZA
<br/><br/><label>Dewey Class. No.: </label>R/333.7/E.24