General aviation propulsion :  proceedings of a conference held at NASA Lewis Research Center Cleveland, Ohio , November 28-29, 1979 

 - Washington, D.C. :  United States Government Printing Office ,  1980 
 - vi, 432 p. :  ill. ;  28 cm. 
<br/><br/> NASA conference publication 2126 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Traffic noise--Environmental aspects<br/>Environmentalism
<br/><br/><label>Dewey Class. No.: </label>363.741