{"languages": [{"key": "/l/eng"}], "physical_format": "Hardcover", "weight": "1 ounces", "publishers": ["Oxford University Press, USA"], "number_of_pages": 220, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 13540029, "isbn_13": ["9780198563501"], "isbn_10": ["0198563507"], "publish_date": "September 12, 1991", "key": "/b/OL10141279M", "authors": [{"key": "/a/OL2042991A"}], "title": "Modern Radio Science 1990 (Oxford Science Publications)", "type": {"key": "/type/edition"}, "subjects": ["Communications engineering / telecommunications", "Instruments & instrumentation engineering", "Radio Engineering", "Juvenile Nonfiction", "Technology & Industrial Arts", "Science/Mathematics", "USA", "Electromagnetism", "General", "Science / Electromagnetism", "History - United States/Colonial & Revolutionary", "Electromagnetic fields"], "physical_dimensions": "9.5 x 6.5 x 0.8 inches", "revision": 1}