History & Comments
| Date | User name | Title of change | Votes |
|---|---|---|---|
| 27 February 2018, 04:53 (UTC+00:00) | Ivar Martin | added refs to be looked at later | 0 |
| 26 February 2018, 21:53 (UTC+00:00) | Ivar Martin | created node | 0 |
Now you are in the subtree of Physics public knowledge tree.