{"type": {"key": "/type/work"}, "title": "Rural-Urban Migration in China", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL5451870A"}}], "key": "/works/OL28880792W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2022-09-18T23:32:44.607633"}, "last_modified": {"type": "/type/datetime", "value": "2022-09-18T23:32:44.607633"}}