McCormick, John,  1954- <br/><br/>
Urban air pollution / 
text by John McCormick. 
 - Nairobi :  UNEP,  1991. 
 - 36 p. :  ill. ;  26 cm. 
 - UNEP/GEMS environment library .
<br/><br/>Includes bibliographical references. 
<br/><br/> Open access. 
<br/><br/><label>LCCN: </label>92981259  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air--Pollution.<br/>Urban--Global environmental monitoring system.