{"covers": [7188322], "last_modified": {"type": "/type/datetime", "value": "2020-08-11T10:31:24.782562"}, "latest_revision": 3, "key": "/works/OL15608279W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2512048A"}}], "created": {"type": "/type/datetime", "value": "2011-01-02T08:17:21.552523"}, "title": "D\u00fcrers Befestigungslehre", "subjects": ["Fortification", "Military architecture"], "subject_people": ["Albrecht D\u00fcrer (1471-1528)"], "type": {"key": "/type/work"}, "revision": 3}