{"isbn_13": ["9780792345992"], "physical_format": "Hardcover", "subtitle": "An ICMI Study (New ICMI Study Series)", "weight": "2.7 pounds", "languages": [{"key": "/l/eng"}], "type": {"key": "/type/edition"}, "publishers": ["Springer"], "number_of_pages": 600, "id": 10606317, "edition_name": "1 edition", "isbn_10": ["0792345991"], "publish_date": "January 31, 1998", "key": "/b/OL7808409M", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "title": "Mathematics Education as a Research Domain: A Search for Identity", "contributions": ["Anna Sierpinska (Editor)", "Jeremy Kilpatrick (Editor)"], "subjects": ["Teaching of a specific subject", "Study & Teaching", "Philosophy Of Mathematics", "Mathematics", "Science/Mathematics", "Study and teaching", "General", "Education / Teaching Methods & Materials / Mathematics", "Education-General", "Mathematics / Study & Teaching", "Research"], "physical_dimensions": "9.4 x 6.3 x 1.2 inches", "revision": 1}