{"first_publish_date": "1987", "last_modified": {"type": "/type/datetime", "value": "2010-12-04T19:31:05.322695"}, "title": "Working conditions and staffing needs in air traffic control system", "created": {"type": "/type/datetime", "value": "2009-12-10T03:28:39.455036"}, "subject_places": ["United States"], "lc_classifications": ["KF27 .P646 1987"], "latest_revision": 3, "key": "/works/OL3401045W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL557387A"}}], "dewey_number": ["331.25"], "type": {"key": "/type/work"}, "subjects": ["Air traffic controllers", "Employee-management relations in government", "Personnel management", "United States", "United States. Federal Aviation Administration"], "revision": 3}