{"id":"003019140","type":"article","title":"Improvisation, Professionalisierung, Innovation","publisher":"Verl. Ostfries. Landschaft","publisher-place":"Aurich","container-title":"Emder Jahrbuch für Historische Landeskunde Ostfrieslands 102 (2022","author":[{"family":"Suhr","given":"Heiko"}],"issued":{"raw":"2021"}}