@book { IntheMiddleofNscht, title = "In the Middle of Nüscht", subtitle = "Die östliche Altmark entdecken. Entschleunigungsbuch", author = "Sibylle {Sperling}", year = "2018", publisher = "Omnino Verlag", address = "Berlin, Deutschland", url = "https://shop.omnino-verlag.de/document/445184" }