Debug Info for generation of "last modified"
publications_572 (2017-06-05 12:50:27) | publications_572 (2017-06-05 12:50:47) | publication2person_572_209 (2017-06-05 12:50:27) | 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_572_1264 (2017-06-05 12:50:27) | 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)