Obert, Edward F. <br/><br/>
Internal combustion engines and air pollution 

 -  Harper & row Publishers  c1973 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0-352-04560-0 
<br/><br/><label>Dewey Class. No.: </label>621.43/Ob2