WK73338 Measuring the Friction of Pavements and Other Trafficked Surfaces Using the Technique of Continuous Reading from an RT3 Curve CFME Fixed Side Slip Angle Device
WK5710 /Guide for Friction Measurements of Aerodrome Runways
WK82508 Determining Side Force Friction on Paved Surfaces Using a Tire at 20 Degrees to Measure Sideway Force Coefficient (SFC)