Debug Info for generation of "last modified"
publications_421 (1999-11-11 12:11:11) | publication2person_421_209 (2011-01-11 16:09:27) | 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_421_1052 (2011-01-11 16:09:27) | persons_1052 (2007-11-01 13:06:00) | persons_1052 (2019-03-14 16:27:01) | persons_1052 (2022-11-07 15:36:18) | persons_1052 (2007-11-01 13:06:00) | persons_1052 (2019-03-14 16:27:01) | persons_1052 (2022-11-07 15:36:18)