{"languages": [{"key": "/l/eng"}], "physical_format": "Hardcover", "subtitle": "Theory and Equipment", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "publishers": ["Crc Pr I Llc"], "number_of_pages": 200, "id": 11183353, "isbn_13": ["9780849357275"], "isbn_10": ["0849357276"], "publish_date": "June 1983", "key": "/b/OL8260683M", "authors": [{"key": "/a/OL2909496A"}], "title": "Liquid Cryogens", "type": {"key": "/type/edition"}, "subjects": ["Low Temperature Engineering", "Biochemical Engineering", "Liquefied gases"], "revision": 1}