{"type": {"key": "/type/work"}, "title": "Digital audio broadcasting (DAB)", "subjects": ["Digital audio broadcasting", "Radio broadcasting", "Technological innovations"], "subject_places": ["Germany"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4018966A"}}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL15536327A"}}], "key": "/works/OL43482881W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2025-06-06T02:35:14.007914"}, "last_modified": {"type": "/type/datetime", "value": "2025-06-06T02:35:14.007914"}}