{"created": {"type": "/type/datetime", "value": "2009-12-10T05:36:28.165715"}, "subjects": ["Geographic information systems"], "latest_revision": 3, "key": "/works/OL4191269W", "title": "Grundlagen der Geo-Informationssysteme", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL796029A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2010-12-04T12:58:56.294760"}, "covers": [2250803], "revision": 3}