{"title": "Prelude to the space age", "subjects": ["Research", "Rockets (Aeronautics)", "Societies", "Rocket research", "Rocketry, history", "Fus\u00e9es (A\u00e9ronautique)", "Recherche", "Associations", "Milit\u00e4rische Rakete", "Raumfahrt", "Geschichte (1924-1940)"], "key": "/works/OL4398675W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL868151A"}}], "type": {"key": "/type/work"}, "covers": [11911542, 12869303], "latest_revision": 5, "revision": 5, "created": {"type": "/type/datetime", "value": "2009-12-10T06:15:04.437549"}, "last_modified": {"type": "/type/datetime", "value": "2024-08-28T23:15:51.611486"}}