{"languages": [{"key": "/l/eng"}], "physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 20:50:18.033121"}, "publishers": ["Thomson Healthcare"], "title": "HMO-PPO Directory, 1992", "id": 15987406, "isbn_13": ["9781563630347"], "isbn_10": ["1563630346"], "publish_date": "December 1992", "key": "/b/OL12136025M", "type": {"key": "/type/edition"}, "subjects": ["Insurance - Health", "Business / Economics / Finance"], "revision": 1}