TY - GEN AU - Sayers, M. W. AU - Gillespie,T.D. AU - Queiroz,Cesar A.V. ED - University of Michigan. TI - The international road roughness experiment: establishing correlation and a calibration standard for measurements SN - 0821305891 (pbk.) U1 - 625.80287 PY - 1986/// CY - Washington, D.C. PB - World Bank,1986 KW - Roads KW - Riding qualities KW - Measurement KW - Surface roughness N1 - "A collaborative study undertaken by The University of Michigan Transportation Research Institute ... [et al.]."; distributer: Al-ahram; Bibliography: p. 105-107; catalogued by: wessam ER -