{"languages": [{"key": "/l/eng"}], "subtitle": "Proceedings of a Workshop Held at Ringberg Castle, Tegernsee, Frg, September 22-28, 1991 (Lecture Notes in Physics)", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 13:35:46.87638"}, "publishers": ["Springer"], "type": {"key": "/type/edition"}, "number_of_pages": 321, "isbn_13": ["9780387571645"], "isbn_10": ["0387571647"], "publish_date": "October 1993", "key": "/b/OL7447362M", "authors": [{"key": "/a/OL2682447A"}], "title": "Jets in Extragalactic Radio Sources", "contributions": ["K. Meisenheimer (Editor)"], "id": 10142034, "revision": 1}