{"languages": [{"key": "/l/eng"}], "last_modified": {"type": "/type/datetime", "value": "2008-04-29 13:35:46.87638"}, "publishers": ["Academic Press"], "number_of_pages": 398, "isbn_13": ["9780120919512"], "isbn_10": ["0120919516"], "publish_date": "December 2, 1993", "key": "/b/OL7325748M", "authors": [{"key": "/a/OL2646693A"}], "title": "An Introduction to Coal Technology, Second Edition (Energy Science & Engineering Series)", "type": {"key": "/type/edition"}, "id": 9984064, "revision": 1}