Air quality in selected cities in India 1978-1979:  National air quality monitoring network  

 - Nagpur:   National environmental Engineering Research Institute,   1980 
 - 224p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment 
<br/><br/><label>Subjects--Index Terms: </label>Quality  
<br/><br/><label>Universal Decimal Class. No.: </label>638.4.02(540-25)  / M0