TY - GEN AU - William A Leasure AU - Daniel R Flynn C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1970-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.10502 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1970 TI - Progress report of research activity truck tire noise investigation::September 1, 1970 - October 31, 1970 ER -