{"created": {"type": "/type/datetime", "value": "2009-12-11T04:37:51.041607"}, "subject_places": ["United States"], "subjects": ["Coal trade", "Environmental aspects", "Environmental aspects of Coal trade", "Government policy"], "latest_revision": 3, "key": "/works/OL11432012W", "title": "Coal conversion of U.S. industry", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4806128A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2010-12-03T14:22:45.582048"}, "revision": 3}