This document contains a history of this page, from the current version to the earliest one available.
| Version | Name | User | Date | Time | |
| current | Christopher Alexander | max2-084.dialin.uni-hamburg.de | 21 November 2002 | 2:05 am | |
| Christopher Alexander | sun.hfbk.uni-hamburg.de | 20 December 2000 | 4:16 pm | ||
| Christopher Alexander | sun.hfbk.uni-hamburg.de | 20 December 2000 | 4:16 pm | ||