{"title": "Zhongguo ren kou di tu ji", "subjects": ["Maps", "Population", "Statistics", "Census, 1982", "Census, 3rd, 1982", "Economic conditions", "Social conditions"], "key": "/works/OL490200W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL30653A"}}], "type": {"key": "/type/work"}, "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-12-08T03:30:42.021984"}, "last_modified": {"type": "/type/datetime", "value": "2025-03-10T22:10:20.186591"}}