{"created": {"type": "/type/datetime", "value": "2009-10-15T21:35:48.749013"}, "subjects": ["Congresses", "Number theory"], "latest_revision": 4, "key": "/works/OL57574W", "title": "Number Theory", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL21428A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2011-12-28T08:38:01.185036"}, "covers": [2192535], "revision": 4}