erbium: References & Edit History
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Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.
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Karl A. Gschneidner, Jr.
Anson Marston Distinguished Professor, Ames Laboratory, Iowa State University, Ames, Iowa.
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Vitalij K. Pecharsky
Distinguished Professor, Ames Laboratory, Iowa State University, Ames, Iowa.
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Added media. | Mar 01, 2024 | ||
| Invalidated site: Chemicool - Erbium. | Apr 27, 2021 | ||
| Changed atomic weight from β167.26β to β167.259.β | Nov 10, 2020 | ||
| Add new Web site: LiveScience - Facts About Erbium. | Feb 17, 2017 | ||
| Add new Web site: Royal Society of Chemistry - Erbium. | Jun 24, 2013 | ||
| Article revised jointly with Karl A. Gschneidner, Jr. | Oct 02, 2012 | ||
| Article revised jointly with Vitalij K. Pecharsky. | Oct 02, 2012 | ||
| Article revised and updated. | Apr 16, 2009 | ||
| Article revised and updated. | Apr 12, 2007 | ||
| Article added to new online database. | Jul 20, 1998 |
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