{"personal_name": "Friedrich Ballhorn", "type": {"key": "/type/author"}, "name": "Friedrich Ballhorn", "key": "/authors/OL559891A", "alternate_names": ["F. Ballhorn"], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2008-04-01T03:28:50.625462"}, "last_modified": {"type": "/type/datetime", "value": "2025-06-20T19:40:41.795092"}}