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Letter Circular 260: Soundproofing of Airplane Cabins
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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 260: Soundproofing of Airplane Cabins". Government. Commerce Department, March 6, 1929. https://www.govinfo.gov/app/details/GOVPUB-C13-f136bd3e69f88bdc228c6fb1d53fd629
National Institute of Standards and Technology (NIST), Commerce Department. (1929, March 6). Letter Circular 260: Soundproofing of Airplane Cabins. [Government]. Commerce Department. https://www.govinfo.gov/app/details/GOVPUB-C13-f136bd3e69f88bdc228c6fb1d53fd629
National Institute of Standards and Technology (NIST), Commerce Department. Letter Circular 260: Soundproofing of Airplane Cabins. Commerce Department, (6 Mar 1929), https://www.govinfo.gov/app/details/GOVPUB-C13-f136bd3e69f88bdc228c6fb1d53fd629
National Institute of Standards and Technology (NIST), Commerce Department, Letter Circular 260, GovInfo, (March 6, 1929), https://www.govinfo.gov/app/details/GOVPUB-C13-f136bd3e69f88bdc228c6fb1d53fd629