User contributions for 88.72.180.224
For 88.72.180.224 talk block log logs filter log
15 May 2011
- 18:3218:32, 15 May 2011 diff hist +201 Talk:World Geodetic System →history/helmert's book: new section
 | This is the contributions page for an IP user, identified by the user's IP address. Many IP addresses change periodically, and are often shared by several users. If you are an IP user, you may create an account or log in to avoid future confusion with other IP users. Registering also hides your IP address. |