01235nac a22002771u 4500010001600000020002200016082001900038090001500057100003400072245018700106260004800293300003300341440004000374500011700414500002600531504003000557511002600587650004200613650003600655700003400691700002500725710006400750942002100814999001500835952010700850 a 85022748 a0821305891 (pbk.)00a625.80287bSAY c6071d6071 aSayers, M. W. 14aThe international road roughness experiment :bestablishing correlation and a calibration standard for measurements /cMichael W. Sayers, Thomas D. Gillespie, and Cesar A.V. Queiroz. aWashington, D.C. :bWorld Bank,1986cc1986. aix, 453 p. :bill. ;c28 cm. 0aWorld Bank technical paper,vno. 45 a"A collaborative study undertaken by The University of Michigan Transportation Research Institute ... [et al.]." adistributer: Al-ahram aBibliography: p. 105-107. acatalogued by: wessam 0aRoadsxRiding qualitiesxMeasurement. 0aSurface roughnessxMeasurement.1 aGillespie, T. D.q(Thomas D.)1 aQueiroz, Cesar A. V.2 aUniversity of Michigan.bTransportation Research Institute. cBBk625.80287SAY c6071d6071 00104070aMAINbMAINc1STd2013-11-07ePurchasel0o625.80287SAYp000007246r2025-07-15 00:00:00yBB