{"languages": [{"key": "/l/eng"}], "subtitle": "Symmetries (Greiner, Walter//Theoretical Physics 2nd Corr ed)", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 13:35:46.87638"}, "publishers": ["Springer"], "number_of_pages": 496, "isbn_13": ["9780387580807"], "isbn_10": ["0387580808"], "publish_date": "October 1994", "key": "/b/OL7447534M", "authors": [{"key": "/a/OL392306A"}, {"key": "/a/OL2679749A"}], "title": "Quantum Mechanics", "type": {"key": "/type/edition"}, "id": 10141954, "revision": 1}