{"created": {"type": "/type/datetime", "value": "2009-12-10T20:24:33.174039"}, "subjects": ["Marine engines"], "latest_revision": 5, "key": "/works/OL7114371W", "title": "Rudimentary treatise on marine engines and steam vessels", "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL2017984A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2020-08-11T11:55:04.342196"}, "covers": [5585569], "revision": 5}