{"title": "Canada-USA", "key": "/works/OL4697809W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL972055A"}}], "type": {"key": "/type/work"}, "subjects": ["Foreign economic relations", "Economic integration", "Free trade", "Tariff", "Relations \u00e9conomiques ext\u00e9rieures", "Int\u00e9gration \u00e9conomique", "Libre-\u00e9change", "Tarif douanier", "International economic integration", "International economic relations"], "covers": [10737117], "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2009-12-10T07:13:01.261645"}, "last_modified": {"type": "/type/datetime", "value": "2021-03-26T09:14:31.362384"}}