TY - GEN AU - Raymond D Berendt AU - George E Winzer C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1964-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.MONO.77 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1964 TI - Sound insulation of wall, floor, and door constructions: ER -