{"languages": [{"key": "/l/ger"}], "physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2008-08-21 05:30:30.03924"}, "publishers": ["John Wiley & Sons"], "number_of_pages": 250, "id": 17155727, "isbn_13": ["9783895781780"], "isbn_10": ["3895781789"], "publish_date": "November 12, 2004", "key": "/b/OL12985066M", "authors": [{"key": "/a/OL4146150A"}, {"key": "/a/OL926236A"}], "title": "Bahnsicherungstechnik (English Edition)", "type": {"key": "/type/edition"}, "subjects": ["Electronics & Communications Engineering", "Quality Control", "Technology / Quality Control", "Technology", "Technology & Industrial Arts", "Science/Mathematics"], "revision": 2}