Vital signs 1996, 1997 :   the trends that are shaping our future / 
edited by World watch Institute 
 - London  Earthscan  1996 
 - 169p.  
<br/><br/><label>ISBN: </label>1853833673 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution<br/>Man influence
<br/><br/><label>LC Class. No.: </label>TD180.V5 1996