{"first_sentence": {"type": "/type/text", "value": "Modern refinery operations are very complex and, to a person unfamiliar with the industry, it seems to be an impossible task to reduce the complexity to a coordinated group of understandable processes."}, "physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "weight": "1.8 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["CRC"], "number_of_pages": 488, "isbn_13": ["9780849370380"], "id": 11183334, "edition_name": "5 edition", "isbn_10": ["0849370388"], "publish_date": "March 5, 2007", "key": "/b/OL8261008M", "authors": [{"key": "/a/OL711037A"}, {"key": "/a/OL2880443A"}, {"key": "/a/OL2909700A"}], "title": "Petroleum Refining Technology and Economics, Fifth Edition", "type": {"key": "/type/edition"}, "subjects": ["Petroleum technology", "Technology & Industrial Arts", "Petroleum", "Science", "Science/Mathematics", "Chemistry - Industrial & Technical", "Engineering - Chemical & Biochemical", "Science / Chemistry / Technical & Industrial", "Refining"], "physical_dimensions": "9.4 x 6.4 x 1.2 inches", "revision": 1}