United Nations Environment Programme :    annual report of the Execu tive Director. 

 - Nairobi, Kenya :    United Nations Environment Programme,    1987. 
 - viii, 176 p. :    ill. ;    25 cm. 
<br/><br/><label>Subjects--Corporate Names: </label><br/> United Nations Environment Programme.<br/> United Nations -- Environmental policy.
<br/><br/><label>Subjects--Topical Terms: </label><br/> Environmental policy.