Matches in DBpedia 2016-04 for { <http://www.nist.gov/pml/div688/grp50/primary-frequency-standards.cfm> ?p ?o }
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- primary-frequency-standards.cfm accessdate "2011-05-02".
- primary-frequency-standards.cfm date "2009-08-26".
- primary-frequency-standards.cfm isCitedBy NIST-F1.
- primary-frequency-standards.cfm isCitedBy Quantum_clock.
- primary-frequency-standards.cfm publisher NIST.
- primary-frequency-standards.cfm title "NIST-F1 Cesium Fountain Atomic Clock: The Primary Time and Frequency Standard for the United States".
- primary-frequency-standards.cfm url "http://www.nist.gov/pml/div688/grp50/primary-frequency-standards.cfm".