- Physical Description: 1 online resource (5 pages) : illustrations (black and white).
- Publisher: Gaithersburg, MD : U.S. Dept. of Commerce, National Institute of Standards and Technology, 2013.
Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes.
Title from PDF title page (viewed March 20, 2013).
|Bibliography, etc. Note:||
Includes bibliographical references.
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Time > Systems and standards.