{"title": "Lectures on gravitation", "created": {"type": "/type/datetime", "value": "2009-12-11T03:02:01.330236"}, "last_modified": {"type": "/type/datetime", "value": "2010-08-11T03:09:22.584158"}, "latest_revision": 2, "key": "/works/OL10477076W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL35793A"}}], "type": {"key": "/type/work"}, "revision": 2}