{"title": "Scientific treatise on smoke abatement", "subjects": ["Smoke prevention", "Smoke", "Air Pollution"], "key": "/works/OL7748652W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2415075A"}}], "type": {"key": "/type/work"}, "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-12-10T21:46:37.696681"}, "last_modified": {"type": "/type/datetime", "value": "2026-06-29T15:33:41.575336"}}