Jex, Henry R. <br/><br/>
Significant factors in truck ride quality / 
Henry R. Jex and John W. Zellner 
 - Washington, D.C. :  Department of Transportation ,  1981 
 - v. :  ill. ;  28 cm. 
<br/><br/> Library has vol.2  Report no. FHWA/RD-81/139 
<br/><br/>v.2 : Comprehensive report 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation<br/>Highways--transportation services
<br/><br/><label>Dewey Class. No.: </label>388.1