TY - GEN AU - Robert W Kearns AU - John F Ward C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1974-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.75-738 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1974 TI - A method and means of calibration an air-bearing force plate for use with a towed pavement friction test trailer: ER -