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Physical Measurement Laboratory

SP 330 - Version History

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Example of how to reference this online document:
David B. Newell and Eite Tiesinga, Editors (2019), The International System of Units (SI) (2019 Edition). National Institute of Standards and Technology, Special Publication 330, 2019 Edition. [Online] Available: https://www.nist.gov/pml/special-publication-330 [day, month, year, time]. National Institute of Standards and Technology, Gaithersburg, MD.
Citation Form:
Author/editor (Year), Title (edition). [Type of medium] Available: URL [Access date].
Published 2019 Version
August 2019		 PDF version (and full HTML version)
NIST Special Publication 330, 2019 Edition
Web Version 3.0
April 2008		 PDF version (and HTML version of the Table of Contents)
NIST Special Publication 330, 2008 Edition
Web Version 2.0
September 2001		 PDF version (and HTML version of the Table of Contents)
NIST Special Publication 330
Published 2001 Version:
July 2001		 The International System of Units (SI), NIST Special Publication 330
(Supersedes NIST Special Publication 330, 1991 Version)
Web Version 1.1
January 1997		 Added HTML version of the Table of Contents
Web Version 1.0
October 1996		 PDF version, Online
Published 1991 Version
August 1991		 The International System of Units (SI), NIST Special Publication 330,
(Supersedes NBS Special Publication 330, 1986 Version)
Metrology and Weights and measures

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Created December 7, 2016, Updated August 18, 2025
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