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In: Political science quarterly: a nonpartisan journal devoted to the study and analysis of government, politics and international affairs ; PSQ, Band 17, Heft 2, S. 341-344
ISSN: 1538-165X
In: Publius: the journal of federalism, Band 35, Heft 3, S. 467-488
ISSN: 1747-7107
In: http://hdl.handle.net/2027/nyp.33433082383468
"Subcribers names": xiv p. at end. ; "Biographical outline of General George Washington, by J.M. Williams": p. 146-191. ; Mode of access: Internet.
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We demonstrate quantum Hall resistance measurements with metrological accuracy in a small cryogen-free system operating at a temperature of around 3.8 K and magnetic fields below 5 T. Operating this system requires little experimental knowledge or laboratory infrastructure, thereby greatly advancing the proliferation of primary quantum standards for precision electrical metrology. This significant advance in technology has come about as a result of the unique properties of epitaxial graphene on SiC. ; Funding Agencies|NPL Proof-of-Concept fund; NMS Programme; European Union [604391]; EMRP Project GraphOhm
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