Citations are generated automatically from bibliographic data as a convenience and may not be complete or accurate.
National Institute of Standards and Technology (NIST), Commerce Department. "Letter Circular 344: Sound Absorption Coefficients of the More Common Materials (Superseding Letter Circular 326)". Government. Commerce Department, September 12, 1932. https://www.govinfo.gov/app/details/GOVPUB-C13-c5c8f9860e6e6081cb7ab16143623da8
National Institute of Standards and Technology (NIST), Commerce Department. (1932, September 12). Letter Circular 344: Sound Absorption Coefficients of the More Common Materials (Superseding Letter Circular 326). [Government]. Commerce Department. https://www.govinfo.gov/app/details/GOVPUB-C13-c5c8f9860e6e6081cb7ab16143623da8
National Institute of Standards and Technology (NIST), Commerce Department. Letter Circular 344: Sound Absorption Coefficients of the More Common Materials (Superseding Letter Circular 326). Commerce Department, (12 Sep 1932), https://www.govinfo.gov/app/details/GOVPUB-C13-c5c8f9860e6e6081cb7ab16143623da8
National Institute of Standards and Technology (NIST), Commerce Department, Letter Circular 344, GovInfo, (September 12, 1932), https://www.govinfo.gov/app/details/GOVPUB-C13-c5c8f9860e6e6081cb7ab16143623da8