{"languages": [{"key": "/l/ger"}], "physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 20:50:18.033121"}, "publishers": ["Springer Verlag"], "number_of_pages": 413, "isbn_13": ["9783540578321"], "isbn_10": ["3540578323"], "publish_date": "May 26, 1994", "key": "/b/OL12776923M", "authors": [{"key": "/a/OL4041511A"}, {"key": "/a/OL4041512A"}, {"key": "/a/OL4041513A"}], "title": "Schutztechnik in Elektroenergiesystemen. Grundlagen, Stand der Technik, Neuentwicklungen", "type": {"key": "/type/edition"}, "id": 16841684, "revision": 1}