thulium: References & Edit History
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The Editors of Encyclopaedia Britannica
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 | ||
| Add new Web site: The Periodic Table - The Element Thulium. | Apr 15, 2019 | ||
| Add new Web site: Chemicool - Thulium Element Facts. | May 15, 2014 | ||
| Add new Web site: Royal Society of Chemistry - Thulium. | Jun 18, 2013 | ||
| Add new Web site: Los Alamos National Laboratory - Thulium. | Jun 18, 2013 | ||
| Add new Web site: Periodic Table of the Elements - Thulium. | Jun 18, 2013 | ||
| Add new Web site: EnvironmentalChemistry.com - Thulium. | Jun 14, 2013 | ||
| Article revised jointly with Karl A. Gschneidner, Jr. | Oct 02, 2012 | ||
| Article revised jointly with Vitalij K. Pecharsky. | Oct 02, 2012 | ||
| Media added. | Oct 13, 2009 | ||
| Article revised and updated. | Apr 17, 2009 | ||
| Article revised and updated. | Apr 12, 2007 | ||
| Article added to new online database. | Jul 20, 1998 |
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