{"title": "Workers, machines and economic growth.", "authors": [{"key": "/authors/OL4397934A"}], "publish_date": "1995", "publishers": ["Centre for Economic Policy Research"], "series": ["Discussion paper series / Centre for Economic Policy Research -- No. 1139"], "contributions": ["Centre for Economic Policy Research."], "languages": [{"key": "/languages/eng"}], "publish_country": "xxk", "publish_places": ["London"], "type": {"key": "/type/edition"}, "source_records": ["marc:talis_openlibrary_contribution/talis-openlibrary-contribution.mrc:2727271924:533"], "key": "/books/OL19089733M", "works": [{"key": "/works/OL10580969W"}], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2008-10-20T22:51:52.503799"}, "last_modified": {"type": "/type/datetime", "value": "2026-01-06T17:06:36.184519"}}