Measuring road roughness and its effects on user cost and comfort :  a symposium / 
sponsored by ASTM Committee E-17 on Traveled Surface Characteristics, Bal Harbour, FL, 7 Dec. 1983 ; Thomas D. Gillespie and Michael Sayers, editors. 
 - Philadelphia, PA. :  ASTM,  1985 
 - 198 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0803104286 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Surface roughness--Measurement--Congresses.<br/>Roads--Riding qualities--Measurement--Congresses.
<br/><br/><label>Subjects--Index Terms: </label>Chất lượng đường bộ Giao thông vận tải Giải pháp đường bộ Đường bộ 
<br/><br/><label>Dewey Class. No.: </label>625.8/028/7  / MEA 1985