{"isbn_13": ["9780389205630"], "physical_format": "Textbook Binding", "weight": "1.9 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["Rowman & Littlefield Publishers, Inc."], "number_of_pages": 681, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12652237, "edition_name": "2nd edition", "isbn_10": ["038920563X"], "publish_date": "June 1978", "key": "/b/OL9384521M", "authors": [{"key": "/a/OL1708805A"}], "title": "Theory of Econometrics", "type": {"key": "/type/edition"}, "subjects": ["Economics - General", "Business & Economics / Econometrics", "Business / Economics / Finance", "Econometrics"], "physical_dimensions": "9.5 x 6.2 x 1.5 inches", "revision": 1}