Murphy, Ray W. <br/><br/>
Endurance testing of heavy duty vehicles / 
Ray W. Murphy 
 - Warrendale, PA. :  Society of Automotive Engineers,  1982 
 - 34 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Truck tractors--Testing