{"type": {"key": "/type/work"}, "title": "Lecture notes on mechanics, sound and light", "subjects": ["Physics"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2390844A"}}], "key": "/works/OL45265772W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-04-29T08:55:19.488959"}, "last_modified": {"type": "/type/datetime", "value": "2026-04-29T08:55:19.488959"}}