| Revision | Operations | |
|---|---|---|
| 20. January 2014 by Jan Horstmann | current revision | |
| 13. October 2013 by Wilhelm Schernus | ||
| 14. August 2013 by Wilhelm Schernus | ||
| 15. July 2013 by Wilhelm Schernus | ||
| 26. June 2013 by Jan Horstmann | ||
| 10. June 2013 by Jan Horstmann | ||
| 27. May 2013 by Jan Horstmann | ||
| 6. May 2013 by Jan Horstmann | ||
| 3. May 2013 by Paul Hamann | ||
| 3. May 2013 by Paul Hamann | ||
| 14. March 2013 by Jan Horstmann | ||