Sian, Rajinder. <br/><br/>
The global 500 :  the roll of honour for environmental achievement / 
Rajinder Sian. 
 - Nairobi :  UNEP,  1992. 
 - 120 p. :  plates ;  29 cm. 
<br/><br/>Includes index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>9280713612 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental conservation.