{"type": {"key": "/type/work"}, "title": "Empirical Analysis of Population and Technological Progress", "subjects": ["Demography", "Japan, population"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL8931848A"}}], "key": "/works/OL27361102W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2022-02-26T19:42:39.344503"}, "last_modified": {"type": "/type/datetime", "value": "2022-02-26T19:42:39.344503"}}