This document contains a history of this page, from the current version to the earliest one available.
| Version | Name | User | Date | Time | |
| current | Heinz Rühmann | pop-zh-23-1-dialup-176.freesurf.ch | 18 March 2001 | 11:39 pm | |
| Heinz Rühmann | max2-232.dialin.uni-hamburg.de | 2 August 2000 | 4:28 pm | ||
| Heinz Rühmann | max2-232.dialin.uni-hamburg.de | 2 August 2000 | 4:27 pm | ||