{"type": {"key": "/type/work"}, "title": "Er\ufffdffnung Eines Sportvereinseigenen Fitnessstudios. Marktbeschreibung, Marktanalyse und Marketingplanung", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL13196172A"}}], "key": "/works/OL36711568W", "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2023-09-17T15:24:56.569235"}, "last_modified": {"type": "/type/datetime", "value": "2026-06-11T01:20:23.729640"}}