{"last_modified": {"type": "/type/datetime", "value": "2010-12-03T14:14:08.887097"}, "title": "Methods of studying internal migration .", "created": {"type": "/type/datetime", "value": "2009-12-10T09:42:29.013827"}, "subjects": ["Internal Migration"], "latest_revision": 2, "key": "/works/OL5366456W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1236142A"}}], "type": {"key": "/type/work"}, "revision": 2}