Barnes, J.
(1974),
The standards of time and frequency in the U.S. A.:, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.TN.649
(Accessed October 31, 2024)
If you have any questions about this publication or are having problems accessing it, please contact reflib@nist.gov.