{"subject_places": ["United States"], "subjects": ["Agriculture", "Air", "Atmospheric ozone", "Economic aspects", "Economic aspects of Agriculture", "Pollution"], "key": "/works/OL10388102W", "title": "The economic effects of ozone on agriculture", "authors": [{"author": {"key": "/authors/OL4306201A"}, "type": {"key": "/type/author_role"}}], "type": {"key": "/type/work"}, "latest_revision": 5, "revision": 5, "created": {"type": "/type/datetime", "value": "2009-12-11T02:53:29.879612"}, "last_modified": {"type": "/type/datetime", "value": "2025-01-06T21:04:57.427536"}}