Glossary on air pollution  

 - Copenhagen:   WHO,   1980 
 - 113p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air pollution 
<br/><br/><label>Subjects--Index Terms: </label>Environment  
<br/><br/><label>Universal Decimal Class. No.: </label>R 502.55(203)(038)  / M0