{"type": {"key": "/type/work"}, "title": "Guan zhi jing ji xue", "subjects": ["Public utilities", "Rate of return", "Mathematical models", "Monopolies"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1236861A"}}], "key": "/works/OL33529070W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2023-01-07T18:07:36.342205"}, "last_modified": {"type": "/type/datetime", "value": "2023-01-07T18:07:36.342205"}}