{"type": {"key": "/type/work"}, "title": "Katechismus der Akustik (Musikwissenschaft)", "subjects": ["Music", "Acoustics and physics"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL18637A"}}], "key": "/works/OL45477641W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-05-18T06:05:33.275885"}, "last_modified": {"type": "/type/datetime", "value": "2026-05-18T06:05:33.275885"}}