{"languages": [{"key": "/l/eng"}], "last_modified": {"type": "/type/datetime", "value": "2008-04-29 13:35:46.87638"}, "publishers": ["Springer"], "number_of_pages": 223, "isbn_13": ["9780387813127"], "isbn_10": ["0387813128"], "publish_date": "June 1976", "key": "/b/OL7447919M", "authors": [{"key": "/a/OL2682911A"}], "title": "Foundations of the Mathematical Theory of Structures (Ism Publications Series, 121)", "type": {"key": "/type/edition"}, "id": 10141979, "revision": 1}