{"last_modified": {"type": "/type/datetime", "value": "2010-12-05T10:43:17.194584"}, "title": "Symposium on Urban Development, Rio de Janeiro, 1974", "created": {"type": "/type/datetime", "value": "2009-12-10T19:54:58.303785"}, "subjects": ["Cities and towns", "City planning", "Congresses", "Urbanization"], "latest_revision": 2, "key": "/works/OL6869943W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1890381A"}}], "type": {"key": "/type/work"}, "revision": 2}