Debug Info for generation of "last modified"
publications_550 (2016-02-13 14:48:35) | publications_550 (2016-02-13 14:49:08) | publications_550 (2016-10-13 19:15:37) | publication2person_550_209 (2016-02-13 14:48:35) | 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_550_1264 (2016-02-13 14:48:35) | persons_1264 (2012-12-04 13:12:00) | persons_1264 (2019-03-14 16:27:01) | persons_209 (2012-11-12 19:32:00) | persons_209 (2016-01-14 14:53:31) | persons_209 (2022-09-11 14:26:08)