{"type": {"key": "/type/work"}, "title": "Le vieillissement d\u00e9mographique en Mayenne", "subjects": ["Population", "Statistics"], "subject_places": ["Mayenne (France : D\u00e9partement)"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL16012499A"}}], "key": "/works/OL44523623W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2025-12-10T09:26:24.669848"}, "last_modified": {"type": "/type/datetime", "value": "2025-12-10T09:26:24.669848"}}