{"title": "Objective Measurement of Instrumental Performance (Columbia Univ., Teachers College, Contributions to Education : No. 860)", "created": {"type": "/type/datetime", "value": "2009-12-10T22:22:40.494339"}, "last_modified": {"type": "/type/datetime", "value": "2009-12-10T22:22:40.494339"}, "latest_revision": 1, "key": "/works/OL8082792W", "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL2690496A"}}], "type": {"key": "/type/work"}, "revision": 1}