TY - GEN AU - P Gilbert C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1972-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.TN.710-2 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1972 TI - An investigation of the protection of dwellings from external noise through facade walls: ER -