The automobile and the regulation of its impact on the environment 
Frank P. Grad ... [et. al.] 
 - Norman  University of Oklahoma Press  1975 
 - xiv, 481p. 
<br/><br/><label>ISBN: </label>0806112700 
<br/><br/><label>Subjects--Index Terms: </label>Air pollution - United States  Automobiles - United States 
<br/><br/><label>Universal Decimal Class. No.: </label>349.6(73):504.5  / GRA'75