Peter Jacob Hjelm: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Anniversary information added. | Oct 03, 2025 | ||
| Anniversary information added. | Sep 28, 2025 | ||
| First paragraph modernization. | Mar 13, 2024 | ||
| Hjelm's role in the discovery of molybdenum clarified. Birth and death information added. | Mar 08, 2012 | ||
| Article added to new online database. | Jul 20, 1998 |
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