| Type |  Book |
| ชื่อเรื่อง | 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 |
| ISBN | 0803104286 |
| | 9780803104280 : 0.00 |
| พิมพลักษณ์ | Philadelphia, PA : American Society for Testing and Materials, 1985 |
| | Philadelphia, PA (1916 Race St., Philadelphia 19103) : ASTM, c1985 |
| รูปเล่ม | 198 p. : ill |
| หัวเรื่อง | Roads --Riding qualities --Measurement [] |
| | Roads --Riding qualities --Measurement --Congresses [] |
| | Roads --Riding qualities --Measurement --Congresses [] |
| | Surface roughness --Measurement [] |
| | Surface roughness --Measurement --Congresses [] |
| | Surface roughness --Measurement --Congresses [] |