{"languages": [{"key": "/l/eng"}], "last_modified": {"type": "/type/datetime", "value": "2008-08-29 00:01:48.7314"}, "publishers": ["Wiley"], "number_of_pages": 416, "isbn_13": ["9780470030707"], "isbn_10": ["0470030704"], "publish_date": "December 21, 2007", "key": "/b/OL7594896M", "authors": [{"key": "/a/OL2730052A"}, {"key": "/a/OL2730053A"}, {"key": "/a/OL2730054A"}, {"key": "/a/OL661114A"}], "title": "GSM - Architecture, Protocols and Services", "type": {"key": "/type/edition"}, "id": 10336242, "revision": 3}