TY - GEN AU - Donavan, Paul R AU - Flynn, Daniel R AU - Yaniv, Simone L C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1980-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.TN.1113-2 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1980 TI - Highway noise criteria study ::outdoor/indoor noise isolation ER -