@misc{1172491, author = {Raymond D Berendt and George E Winzer}, title = {Sound insulation of wall, floor, and door constructions:}, year = {1964}, month = {1964-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.MONO.77}, language = {en}, }