00971nam a2200265 a 4500 20181210082842.0 850719s1986 dcua b i000 0 eng 85017806 0821305905 (pbk.) DLC DLC BD-DhBPA TE251.5 .S29 1986 625.8 19 SAG 1986 Sayers, M. W. (Michael W.) 24278 Guidelines for conducting and calibrating road roughness measurements / Michael W. Sayers, Thomas D. Gillespie, and William D.O. Paterson. Washington, D.C., U.S.A. : World Bank, c1986. vi, 87 p. : ill. ; 28 cm. World Bank technical paper, 0253-7494 ; no. 46 138512 Bibliography: p. 87. Zahid Roads Riding qualities Testing. 138513 Road meters Calibration. 17089 Gillespie, T. D. 12678 Paterson, William D. O. 55340 ddc BK 49691 49691 0 ddc 0 0 BPATC BPATC B 2018-05-27 0 625.8 SAG 1986 106970 2018-05-27 00:00:00 2018-05-27 BK Zahid