{"languages": [{"key": "/l/ger"}], "physical_format": "Paperback", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "publishers": ["Gruyter"], "title": "Ungerechtfertigte Bereicherung", "isbn_13": ["9783110097559"], "isbn_10": ["3110097559"], "publish_date": "January 1, 1988", "key": "/b/OL9340640M", "authors": [{"key": "/a/OL440413A"}, {"key": "/a/OL1061683A"}], "type": {"key": "/type/edition"}, "id": 12600141, "revision": 1}