DIN CEN/TS 15901-13

Road and airfield surface characteristics – Part 13: Procedure for determining the skid resistance of a pavement surface by measurement of a sideway force coefficient (SFCO): the Odoliograph; German version CEN/TS 15901-13:2011
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/2011