{"title": "Externe Effekte der Energieversorgung", "subject_places": ["Germany"], "subjects": ["Energy conservation", "Energy industries", "Power resources", "Congresses", "Energy policy", "Environmental aspects"], "key": "/works/OL18858641W", "type": {"key": "/type/work"}, "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL8934572A"}}], "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2019-02-17T13:48:54.982194"}, "last_modified": {"type": "/type/datetime", "value": "2025-04-13T10:29:24.962645"}}