{"title": "Canada's motor vehicle pollution control program", "created": {"type": "/type/datetime", "value": "2009-12-10T19:12:01.994144"}, "subject_places": ["Canada"], "last_modified": {"type": "/type/datetime", "value": "2010-12-05T06:25:08.015898"}, "latest_revision": 2, "key": "/works/OL6456121W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1712478A"}}], "type": {"key": "/type/work"}, "subjects": ["Air", "Automobiles", "Congresses", "Exhaust gas", "Inspection", "Law and legislation", "Motor vehicles", "Motors", "Pollution", "Pollution control devices"], "revision": 2}