| June 26, 2023 | Edited by AgentSapphire | reverted to revision 2 |
| November 12, 2021 | Edited by dcapillae | merge authors |
| November 11, 2021 | Edited by Mignon Belongie | Edited without comment. |
| October 6, 2020 | Edited by Lisa | Added credentials for differentiation. |
| October 27, 2008 | Created by ImportBot | Imported from Internet Archive item record |