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 214: Requirements of Constant Frequency Stations". Government. Commerce Department, November 11, 1926. https://www.govinfo.gov/app/details/GOVPUB-C13-f8cf9bcae5ef072eb11b0983fb6f2741
National Institute of Standards and Technology (NIST), Commerce Department. (1926, November 11). Letter Circular 214: Requirements of Constant Frequency Stations. [Government]. Commerce Department. https://www.govinfo.gov/app/details/GOVPUB-C13-f8cf9bcae5ef072eb11b0983fb6f2741
National Institute of Standards and Technology (NIST), Commerce Department. Letter Circular 214: Requirements of Constant Frequency Stations. Commerce Department, (11 Nov 1926), https://www.govinfo.gov/app/details/GOVPUB-C13-f8cf9bcae5ef072eb11b0983fb6f2741
National Institute of Standards and Technology (NIST), Commerce Department, Letter Circular 214, GovInfo, (November 11, 1926), https://www.govinfo.gov/app/details/GOVPUB-C13-f8cf9bcae5ef072eb11b0983fb6f2741