@misc{1171171, author = {George E Winzer}, title = {Acoustical performance of some floor covering for hospitals:}, year = {1969}, month = {1969-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.RPT.10048}, language = {en}, }