{"subject_places": ["Europe"], "subjects": ["Fuel cell industry", "Market surveys", "Battery industry"], "key": "/works/OL22801328W", "title": "Industrial fuel cells and batteries in Europe", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1585822A"}}], "type": {"key": "/type/work"}, "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2020-10-29T21:10:59.144623"}, "last_modified": {"type": "/type/datetime", "value": "2025-04-13T21:36:54.052707"}}