TY  - RPRT
TI  - Skid resistance measurement test procedures for intercomparing FHWA national and regional reference systems 
AU  - Kearns, Robert W
AU  - Ward, John F
PY  - 1976
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 76-1174
DO  - 10.6028/NBS.IR.76-1174
ER  -