Air quality guidelines :  global update 2005 : particulate matter, ozone, nitrogen dioxide, and sulfur dioxide. 

 - Copenhagen, Denmark :  World Health Organization Europe,  c2006. 
 - ix, 484 p. :  ill. (chiefly col.)   25 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9789289021920 (pbk.);9289021926 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air Pollutants<br/>Air Pollutants<br/>Nitrogen Dioxide<br/>Ozone<br/>Particulate Matter
<br/><br/><label>National Library of Medicine Call No.: </label>WA 754  / .A37 2006