Debug Info for generation of "last modified"
publications_137 (2004-12-16 19:24:37) | publication2person_137_209 (2004-12-16 19:26:13) | persons_209 (2012-11-12 19:32:00) | persons_209 (2016-01-14 14:53:31) | publication2person_137_524 (2004-12-16 19:26:13) | persons_524 (2004-12-16 19:22:00) | publication2person_137_525 (2004-12-16 19:26:13) | persons_525 (2004-12-16 19:22:00) | persons_8 (2005-06-28 19:08:00)