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1by Milton, John B.“...U.S. Dept. of Commerce, National Bureau of Standards, Time and Frequency Division,...”
Published 1974
Government Document Book -
2“...U.S. Dept. of Commerce, National Bureau of Standards, Time and Frequency Division, Institute...”
Government Document Book -
3“...U.S. Dept. of Commerce, National Bureau of Standards, Institute for Basic Standards, Time...”
Government Document Book -
4Published 1976“...U.S. Dept. of Commerce, National Bureau of Standards, [Institute for Basic Standards], Time...”
Government Document Book