Lenz, Hans Peter <br/><br/>
Emissions and air quality / 
Hans Peter Lenz, Christian Cozzarini 
 - Warrendale, PA :  SAE Society,  1999 
 - 125 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0768002486 9780768048063 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motor vehicles--Motors--Exhaust gas--Environmental aspects<br/>Air quality