Smith, D B <br/><br/>
Tracer study in an urban valley.  [electronic resource] 

 -  Journal of the Air Pollution Control Association  Sep 1968 
 - 600-4 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0002-2470 
<br/><br/><label>Standard No.: </label>10.1080/00022470.1968.10469174  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air Pollution<br/>Pennsylvania<br/>Periodicity<br/>Weather