TY  - RPRT
TI  - A method and means of calibration an air-bearing force plate for use with a towed pavement friction test trailer 
AU  - Kearns, Robert W
AU  - Ward, John F
PY  - 1974
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 75-738
DO  - 10.6028/NBS.IR.75-738
ER  -