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 92: Radio Signals of Standard Frequency and Their Utilization". Government. Commerce Department, April 25, 1923. https://www.govinfo.gov/app/details/GOVPUB-C13-674b219e68bcefa875d9144c1c56f279
National Institute of Standards and Technology (NIST), Commerce Department. (1923, April 25). Letter Circular 92: Radio Signals of Standard Frequency and Their Utilization. [Government]. Commerce Department. https://www.govinfo.gov/app/details/GOVPUB-C13-674b219e68bcefa875d9144c1c56f279
National Institute of Standards and Technology (NIST), Commerce Department. Letter Circular 92: Radio Signals of Standard Frequency and Their Utilization. Commerce Department, (25 Apr 1923), https://www.govinfo.gov/app/details/GOVPUB-C13-674b219e68bcefa875d9144c1c56f279
National Institute of Standards and Technology (NIST), Commerce Department, Letter Circular 92, GovInfo, (April 25, 1923), https://www.govinfo.gov/app/details/GOVPUB-C13-674b219e68bcefa875d9144c1c56f279