Sayers, M. W. <br/><br/>
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. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE<br/>Road meters--Calibration.<br/>Roads--Riding qualities--Testing.
<br/><br/><label>Dewey Class. No.: </label>625.8  / SAY