{"physical_format": "Paperback", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "publishers": ["John Wiley & Sons"], "title": "Digital Circuits and Devices", "id": 13781497, "isbn_13": ["9780471848721"], "isbn_10": ["0471848727"], "publish_date": "December 1988", "key": "/b/OL10338278M", "authors": [{"key": "/a/OL3423224A"}], "type": {"key": "/type/edition"}, "subjects": ["General", "Technology & Industrial Arts"], "revision": 1}