This document contains a history of this page, from the current version to the earliest one available.
| Version | Name | User | Date | Time | |
| current | Polymorphism | max2-154.dialin.uni-hamburg.de | 27 March 2002 | 7:16 pm | |
| Polymorphism | dialup-209.244.129.153.Dial1.Providence1.Level3.net | 27 March 2002 | 7:01 am | ||
| Polymorphism | dialup-209.244.129.153.Dial1.Providence1.Level3.net | 27 March 2002 | 7:00 am | ||
| Polymorphism | ia2106.ia.parkcity.ne.jp | 22 February 2001 | 1:02 am | ||