{"physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "publishers": ["World Health Organization"], "number_of_pages": 85, "isbn_13": ["9789241580137"], "isbn_10": ["9241580135"], "publish_date": "February 1988", "key": "/b/OL9724363M", "authors": [{"key": "/a/OL2036311A"}], "title": "Vaccination Certificate Requirements and Health Advice for International Travel", "type": {"key": "/type/edition"}, "id": 13060334, "revision": 1}