{"created": {"type": "/type/datetime", "value": "2009-12-10T04:35:32.414848"}, "subjects": ["Environmental policy", "Human ecology"], "latest_revision": 3, "key": "/works/OL3826953W", "title": "Umweltprobleme, Herausforderung der Menschheit", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL681859A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2010-12-05T04:44:05.697241"}, "covers": [4374102], "revision": 3}