{"type": {"key": "/type/work"}, "title": "Energiewenden--Wendezeiten", "subjects": ["Power resources", "History", "Exhibitions", "Energy industries", "Energy policy"], "subject_places": ["Germany", "Ruhr (Region)"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL417715A"}, "role": "editor."}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL16531690A"}, "role": "author."}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL11981934A"}}], "key": "/works/OL45812985W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-07-22T14:49:34.576042"}, "last_modified": {"type": "/type/datetime", "value": "2026-07-22T14:49:34.576042"}}