{"isbn_13": ["9780792332749"], "physical_format": "Paperback", "weight": "6.4 ounces", "languages": [{"key": "/l/eng"}], "publishers": ["Springer"], "number_of_pages": 148, "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "id": 10604878, "edition_name": "1 edition", "isbn_10": ["0792332741"], "publish_date": "December 31, 1994", "key": "/b/OL7807727M", "authors": [{"key": "/a/OL2783976A"}], "title": "Willem Einthoven (1860-1927) Father of Electrocardiography: Life and Work, Ancestors and Contemporaries (1860-1927 : Father of Electrocardiography : Life and Work, Ancestors, and Contemporaries)", "type": {"key": "/type/edition"}, "subjects": ["Cardiovascular medicine", "Netherlands", "Electrocardiography", "Medical", "Medical / Nursing", "Biography/Autobiography", "General", "Cardiology", "History", "Biography & Autobiography-General", "Einthoven, Willem", "Medical / Cardiology", "Medical / History", "Medical-Cardiology", "1860-1927", "Biography", "Cardiologists", "Einthoven, Willem,"], "physical_dimensions": "9 x 6 x 0.5 inches", "revision": 1}