{"created": {"type": "/type/datetime", "value": "2009-12-10T06:37:01.972257"}, "subjects": ["History", "Social sciences", "Statistical methods"], "latest_revision": 3, "key": "/works/OL4522041W", "title": "Die Entstehung der empirischen Sozialforschung", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL908096A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2010-12-04T23:44:11.733828"}, "covers": [4239024], "revision": 3}