{"type": {"key": "/type/work"}, "title": "Enforcement economics in air pollution control", "subjects": ["Air", "Pollution", "Economic aspects"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1349046A"}}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL16507744A"}, "role": "joint author."}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4523170A"}}], "key": "/works/OL45747820W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-07-10T23:01:24.110379"}, "last_modified": {"type": "/type/datetime", "value": "2026-07-10T23:01:24.110379"}}