{"type": {"key": "/type/work"}, "title": "Investment and the Return to Equity Capital in the South African Gold Mining Industry, 1887\u20141965; An International Comparison", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL5549350A"}}], "key": "/works/OL43235148W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2025-05-04T07:49:12.568213"}, "last_modified": {"type": "/type/datetime", "value": "2025-05-04T07:49:12.568213"}}