Air pollution reference measurement methods and systems:   Proceedings of the international workshop, Bilthoven, 12-16 December 1977 

 - New York:   Elsevier Scientific Publishing Company,   1982 
 - xxiii, 1100p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution 
<br/><br/><label>Subjects--Index Terms: </label>Nitrogen  
<br/><br/><label>Universal Decimal Class. No.: </label>502.55(203):546.(082.2)  / L8