Root and pattern system: References & Edit History
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| Type | Description | Contributor | Date |
|---|---|---|---|
| Article title updated for style. | Nov 04, 2026 | ||
| Removed table. | May 14, 2018 | ||
| Article revised and updated. | Nov 13, 2008 | ||
| Article revised and updated. | Sep 22, 2008 |
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