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 326: Sound Absorption Coefficients of the More Common Materials (Superseding Letter Circular 308)". Government. Commerce Department, April 22, 1932. https://www.govinfo.gov/app/details/GOVPUB-C13-1081082d695e41c84df8f0f9a3f4cfa1
National Institute of Standards and Technology (NIST), Commerce Department. (1932, April 22). Letter Circular 326: Sound Absorption Coefficients of the More Common Materials (Superseding Letter Circular 308). [Government]. Commerce Department. https://www.govinfo.gov/app/details/GOVPUB-C13-1081082d695e41c84df8f0f9a3f4cfa1
National Institute of Standards and Technology (NIST), Commerce Department. Letter Circular 326: Sound Absorption Coefficients of the More Common Materials (Superseding Letter Circular 308). Commerce Department, (22 Apr 1932), https://www.govinfo.gov/app/details/GOVPUB-C13-1081082d695e41c84df8f0f9a3f4cfa1
National Institute of Standards and Technology (NIST), Commerce Department, Letter Circular 326, GovInfo, (April 22, 1932), https://www.govinfo.gov/app/details/GOVPUB-C13-1081082d695e41c84df8f0f9a3f4cfa1