Earth summit'92 :   the United Nations conference on environment and development, Rio de Janeiro / 

 - London :   The Regency Press,   1992. 
 - 	240, XV : ilus. ;   30 cm. 
<br/><br/><label>ISBN: </label>	0952046903  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental policy
<br/><br/><label>Dewey Class. No.: </label>333.716  / UNe 1992