TY - RPRT TI - Interim progress report of research activity truck tire noise investigation AU - Leasure, William A, Jr AU - Forrer, John S AU - Flynn, Daniel R PY - 1971 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 10567 DO - 10.6028/NBS.RPT.10567 ER -