{"last_modified": {"type": "/type/datetime", "value": "2010-12-04T00:28:36.089136"}, "title": "Potassium-argon dating", "created": {"type": "/type/datetime", "value": "2009-12-10T06:28:40.689338"}, "subjects": ["Potassium-argon dating"], "latest_revision": 2, "key": "/works/OL4478797W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL893695A"}}], "type": {"key": "/type/work"}, "revision": 2}