Margolis, H (2018) A brief history of timekeeping. Physics World, 31 (11). pp. 27-30. ISSN 0953-8585

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Item Type:	Article
Subjects:	Time and Frequency > Time
Divisions:	Quantum Science
Identification number/DOI:	10.1088/2058-7058/31/11/36
Last Modified:	07 Feb 2019 14:45
URI:	https://eprintspublications.npl.co.uk/id/eprint/8275