{"last_modified": {"type": "/type/datetime", "value": "2012-11-28T11:10:16.265112"}, "title": "The study of reference material", "created": {"type": "/type/datetime", "value": "2009-12-10T10:44:20.481156"}, "subjects": ["Reference books", "Research"], "latest_revision": 4, "key": "/works/OL5602745W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1349269A"}}], "type": {"key": "/type/work"}, "revision": 4}