{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "weight": "15.7 ounces", "publishers": ["Trans Tech Publications"], "number_of_pages": 350, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12651130, "isbn_13": ["9780878495641"], "isbn_10": ["0878495649"], "publish_date": "October 1988", "key": "/b/OL9381762M", "authors": [{"key": "/a/OL1997652A"}], "title": "Lattice Theory of Elastic Constants (Materials Science Forum,)", "type": {"key": "/type/edition"}, "subjects": ["Crystallography", "Materials science", "Solid State Physics", "Technology & Industrial Arts", "Material Science"], "physical_dimensions": "9.8 x 7 x 0.8 inches", "revision": 1}