01148nac a22002651u 4500 85022748 0821305891 (pbk.) 625.80287 SAY 6071 6071 Sayers, M. W. The international road roughness experiment : establishing correlation and a calibration standard for measurements / Michael W. Sayers, Thomas D. Gillespie, and Cesar A.V. Queiroz. Washington, D.C. : World Bank,1986 c1986. ix, 453 p. : ill. ; 28 cm. World Bank technical paper, no. 45 "A collaborative study undertaken by The University of Michigan Transportation Research Institute ... [et al.]." distributer: Al-ahram Bibliography: p. 105-107. catalogued by: wessam Roads Riding qualities Measurement. Surface roughness Measurement. Gillespie, T. D. (Thomas D.) Queiroz, Cesar A. V. University of Michigan. Transportation Research Institute. BB 625.80287SAY 6071 6071 0 0 0 0 MAIN MAIN 1ST 2013-11-07 Purchase 0 625.80287SAY 000007246 2025-07-15 00:00:00 BB