1987-1992 the global 500 :  the roll of honour for environmental achievement. 

 - Nairobi :  Information and Public Affairs Branch of the United Nations Environment Programme,  [1992]. 
 - 120 p. :  ill. 
<br/><br/><label>ISBN: </label>9280713612 
<br/><br/><label>LCCN: </label>93016166      
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental protection--Citizen participation--Awards.<br/>Environmentalists--Awards.