{"type": {"key": "/type/edition"}, "authors": [{"key": "/authors/OL8337469A"}, {"key": "/authors/OL1236032A"}, {"key": "/authors/OL9588228A"}], "isbn_13": ["9789811655357"], "languages": [{"key": "/languages/eng"}], "lc_classifications": ["HB71-74"], "publish_date": "2021", "publishers": ["Springer Singapore Pte. Limited"], "source_records": ["bwb:9789811655357"], "title": "Political Economy of Population Aging", "subtitle": "Japan and the United States", "full_title": "Political Economy of Population Aging Japan and the United States", "works": [{"key": "/works/OL25346346W"}], "key": "/books/OL33958969M", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2021-09-28T16:17:10.176994"}, "last_modified": {"type": "/type/datetime", "value": "2021-09-28T16:17:10.176994"}}