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» William Markowitz
William Markowitz
U. S. Naval Observatory Washington, D. C. 20392-5420 Ued to Advance for the Astronomical Almanac and Astro- Nomical Phenomena
The First Atomic Clock Program
How Does One Arrive at the Exact Number of Cycles of Radiation a Cesium-133 Atom Makes in Order to Define One Second?
Quantum Times: Physics, Philosophy, and Time in the Postwar United States
A Historical Review of U.S. Contributions to the Atomic Redefinition of the SI Second in 1967
The Definition of the 'Atomic' Second
The Standards of Time and Frequency in the Usa
Part 4. Long-Term Polar Motion
Recalibration
UTC and the Leap Second
By Means of Portable Cesium-Beam Clocks, Time Has Been Cor- Related to 1 Microsecond at Many of the World's Timekeep- Ing Centers
A Matter of Time the Arrival of a New Type of Timekeeper Heralds the End of the Second As We Know It, As Helen Margolis Explains
Solid-Earth and Ocean Physics
Guide to the National Company (NATCO) Atomic Clocks Records
The History of Time and Frequency from Antiquity to the Present Day
Atomichron@: the Atomic Clock from Concept to Commercial Product
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