State of the world 
/ publ by a worldwath institute report 
. - tirst edition 
. - New york,London  : W.W Norton and Campany, 1994
. - xviii-265 p.  ; 27 cm. 
<br/><br/><label>ISBN: </label>9780393311174 
<br/><br/><label>Source: </label> don 
<br/><br/><label>Universal Decimal Class. No.: </label>911.