History of the term 'principal group' (P04846)
Content History
| Date | Update Description |
| Sep 29, 2006 | Taken from the original Gold Book, published in version 1.0.0 of the XML Gold Book. |
File History
| File | Revision | Date |
| P04846.xml | 4 | November 2, 2006, 2:43 pm |