@book { Geradekreuzundquer,
    title = "Gerade, kreuz und quer",
    author = "Rahel {Straubel} and Dirk {Reuber}",
    year = "2023",
    publisher = "Omnino Verlag",
    address = "Berlin, Deutschland",
    url = "https://shop.omnino-verlag.de/document/1336116"
}