00945cam a2200217 a 4500 0821305891 (pbk.) 625.80287 say L-18, P-68 Sayers, M. W. 43781 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, c1986. ix, 453 p. : ill. ; 28 cm. "A collaborative study undertaken by The University of Michigan Transportation Research Institute ... [et al.]." 0 0 0 625_802870000000000_SAY MCE 379 Roads Riding qualities Measurement. 43853 Surface roughness Measurement. 43854 Gillespie, T. D. 43779 Queiroz, Cesar A. V. 43855 University of Michigan. 43856 ddc BK 547712 547712 0 0 ddc 0 0 MCE MCE 2014-08-05 0 625.80287 say MCE-25544 2014-08-05 2014-08-05 BK