TY - GEN AU - Leasure, William A AU - Forrer, John S AU - Flynn, Daniel R C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1971-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.10567 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1971 TI - Interim progress report of research activity truck tire noise investigation: ER -