Earth Summit and Five Special Session of the General Assembly to rev iew and appraise the implementations of Agenda 21 :    sustaining the f uture, New York, 1996. 

 - New York :    United Nations, Department of Public Information,    1 997. 
 - 5 p. ;    28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Environmental sciences.<br/> Environmental protection.