{"created": {"type": "/type/datetime", "value": "2009-12-10T07:45:29.123956"}, "subject_places": ["United States"], "subjects": ["Labor productivity", "Manufactures", "Personnel management"], "latest_revision": 2, "key": "/works/OL4849754W", "title": "Human resource management systems and the performance of U.S. manufacturing businesses", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1028961A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2010-12-04T06:41:54.239233"}, "revision": 2}