{"languages": [{"key": "/l/eng"}], "subtitle": "Artificial Heart 4", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 13:35:46.87638"}, "publishers": ["Springer"], "number_of_pages": 424, "isbn_13": ["9780387701172"], "isbn_10": ["0387701176"], "publish_date": "January 1993", "key": "/b/OL7447786M", "authors": [{"key": "/a/OL2682788A"}], "title": "Heart Replacement", "type": {"key": "/type/edition"}, "id": 10141903, "revision": 1}