{"title": "Demonstrated Reserve Based of Coal in the United States on January 1, 1979", "created": {"type": "/type/datetime", "value": "2009-12-11T04:59:57.786268"}, "last_modified": {"type": "/type/datetime", "value": "2012-06-12T18:29:50.262648"}, "latest_revision": 3, "key": "/works/OL11627239W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL251210A"}}], "type": {"key": "/type/work"}, "revision": 3}