{"created": {"type": "/type/datetime", "value": "2009-12-10T08:26:06.199755"}, "subjects": ["Algebra", "Metamathematics", "Model theory"], "latest_revision": 3, "key": "/works/OL5044082W", "title": "The metamathematics of algebraic systems, collected papers: 1936-1967", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1100009A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2010-12-05T12:10:08.487376"}, "covers": [4679419], "revision": 3}