{"title": "Elementary Matters (MATT)", "covers": [2522395], "key": "/works/OL15007155W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2653587A"}}], "type": {"key": "/type/work"}, "subjects": ["English language", "Textbooks for foreign speakers", "Problems, exercises", "Grammar"], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2010-03-17T17:32:40.546138"}, "last_modified": {"type": "/type/datetime", "value": "2022-03-04T12:32:08.265795"}}