{"type": {"key": "/type/work"}, "title": "Neue Aufgaben f\u00fcr die Systeme der sozialen Sicherung in der Bundesrepublik Deutschland durch die \u00d6ffnung Mittel- und Osteuropas", "subjects": ["Social security", "Congresses", "Post-communism"], "subject_places": ["Germany", "Eastern Europe"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL5080636A"}}], "key": "/works/OL44950437W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-02-18T03:59:24.987761"}, "last_modified": {"type": "/type/datetime", "value": "2026-02-18T03:59:24.987761"}}