{"isbn_13": ["9781580531641"], "physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2008-09-01 20:02:36.169143"}, "languages": [{"key": "/l/eng"}], "publishers": ["Artech House Publishers"], "number_of_pages": 424, "id": 12663088, "first_sentence": {"type": "/type/text", "value": "Deschamps first proposed the concept of the MSA in 1953 [1]."}, "isbn_10": ["1580531644"], "publish_date": "October 2002", "key": "/b/OL9392103M", "authors": [{"key": "/a/OL374937A"}, {"key": "/a/OL3250887A"}], "title": "Broadband Microstrip Antennas (Artech House Antennas and Propagation Library)", "type": {"key": "/type/edition"}, "subjects": ["Technology & Industrial Arts", "Science/Mathematics", "Telecommunications", "Microstrip antennas"], "revision": 3}