dynamical time: References & Edit History
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Article Contributors
Primary Contributors
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Demetrios N. Matsakis
Director of the Time Services Department, U.S. Naval Observatory.
Other Encyclopedia Britannica Contributors
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Article thoroughly revised. | Jan 25, 2007 | ||
| Article added to new online database. | Jul 20, 1998 |
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