{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "subtitle": "The Case for Maize (African Rural Social Science Series)", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "publishers": ["Winrock Pubns Sales"], "number_of_pages": 21, "id": 11353357, "isbn_13": ["9780933595262"], "isbn_10": ["0933595263"], "publish_date": "February 1990", "key": "/b/OL8388577M", "authors": [{"key": "/a/OL95571A"}], "title": "Factors Affecting Agricultural Marketable Surplus in Tanzania", "type": {"key": "/type/edition"}, "subjects": ["Grain Marketing", "Tanzania", "Corn industry"], "revision": 1}