{"languages": [{"key": "/l/eng"}], "last_modified": {"type": "/type/datetime", "value": "2008-04-29 13:35:46.87638"}, "publishers": ["Elsevier"], "number_of_pages": 1140, "isbn_13": ["9780444852304"], "isbn_10": ["0444852301"], "publish_date": "February 1979", "key": "/b/OL7532589M", "title": "Operational Research", "type": {"key": "/type/edition"}, "id": 10253572, "revision": 1}