{"created": {"type": "/type/datetime", "value": "2011-03-10T20:52:26.256818"}, "subjects": ["Electrotherapeutics", "Instruments", "Catalogs", "Electric Stimulation Therapy", "Instrumentation"], "latest_revision": 3, "key": "/works/OL15686270W", "title": "Illustrated catalogue of electro-medical instruments", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL842330A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2020-08-13T14:06:14.291132"}, "covers": [7195820], "revision": 3}