Marcotullio, Peter J. <br/><br/>
Faster, sooner, and more simultaneously: how recent road and air transportation co, emission trends in developing countries differ from historic trends in the United States 

 -  2005 
 - p.125-48. 
 - Mar 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transport - United States<br/>Air transport - United States<br/>Air transport