{"type": {"key": "/type/author"}, "name": "Nils J. Engelsen", "key": "/authors/OL15917157A", "source_records": ["marc:harvard_bibliographic_metadata/20220215_019.bib.mrc:352080783:1200"], "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2025-10-28T03:40:50.285516"}, "last_modified": {"type": "/type/datetime", "value": "2025-10-28T03:40:50.285516"}}