Lewandowski, Michael <br/><br/>
Primary and secondary contributions to ambient PM in the midwestern United States.  [electronic resource] 

 -  Environmental science & technology  May 2008 
 - 3303-9 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. 
<br/><br/><label>ISSN: </label>0013-936X 
<br/><br/><label>Standard No.: </label>10.1021/es0720412  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air Pollutants--analysis<br/>Air Pollution<br/>Carbon--analysis<br/>Environmental Monitoring--methods<br/>Gas Chromatography-Mass Spectrometry--methods<br/>Midwestern United States<br/>Models, Statistical<br/>Models, Theoretical<br/>Organic Chemicals--analysis<br/>Particle Size<br/>Particulate Matter--analysis<br/>Seasons<br/>Time Factors