{"created": {"type": "/type/datetime", "value": "2009-12-11T02:09:52.982619"}, "subjects": ["Mathematics", "Necessity (Philosophy)", "Analysis (Philosophy)"], "latest_revision": 4, "key": "/works/OL10072223W", "title": "Piryonsong ui munmaekchok ihae (Ihwa haksul chongso)", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4055642A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2020-11-25T14:40:41.351487"}, "covers": [5209836], "revision": 4}