{"languages": [{"key": "/l/eng"}], "physical_format": "Hardcover", "subtitle": "The Geometries of Sporadic Groups (Encyclopedia of Mathematics and its Applications)", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "publishers": ["Cambridge University Press"], "title": "Construction and Coverings", "id": 13889599, "isbn_13": ["9780521622363"], "isbn_10": ["0521622360"], "key": "/b/OL10436043M", "authors": [{"key": "/a/OL2767724A"}], "type": {"key": "/type/edition"}, "subjects": ["Mathematics / Algebra / General"], "revision": 1}