@book { GrnesBandentlangderAltmark,
    title = "Grünes Band entlang der Altmark",
    author = "Amanda {Hasenfusz} and Beatrix {Flatt}",
    year = "2022",
    publisher = "Omnino Verlag",
    address = "Berlin, Deutschland",
    url = "https://shop.omnino-verlag.de/document/1196197"
}