{"first_publish_date": "2002", "latest_revision": 3, "key": "/works/OL12618198W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL5622271A"}}], "subjects": ["Econometric models", "Education, Secondary", "Effect of immigration on", "Factor analysis", "Human capital", "Secondary Education"], "created": {"type": "/type/datetime", "value": "2009-12-11T07:22:03.372438"}, "title": "Migration and human capital formation", "subject_places": ["United States"], "last_modified": {"type": "/type/datetime", "value": "2010-12-03T21:31:23.852829"}, "type": {"key": "/type/work"}, "revision": 3}