Debug Info for generation of "last modified"
publications_491 (1999-11-11 12:11:11) | publication2person_491_209 (2013-11-18 12:12:57) | persons_209 (2012-11-12 19:32:00) | persons_209 (2016-01-14 14:53:31) | persons_209 (2022-09-11 14:26:08) | publication2person_491_1697 (2013-11-18 12:12:57) | persons_1697 (2013-11-18 12:12:00) | publication2person_491_1698 (2013-11-18 12:12:57) | persons_1698 (2013-11-18 12:12:00) | persons_209 (2012-11-12 19:32:00) | persons_209 (2016-01-14 14:53:31) | persons_209 (2022-09-11 14:26:08)