{"type": {"key": "/type/work"}, "title": "Causal Inference", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL656546A"}}], "key": "/works/OL28114398W", "covers": [13850042], "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2022-06-19T11:24:21.223702"}, "last_modified": {"type": "/type/datetime", "value": "2023-04-07T00:35:38.949318"}}