@book { VonverschlungenenWegenundgeheimenWelten,
    title = "Von verschlungenen Wegen und geheimen Welten",
    author = "Hendrik M. {Bekker}",
    year = "2018",
    publisher = "Uksak E-Books",
    address = "Lengerich, Deutschland",
    url = "https://uksakebooks.grin.com/document/387986"
}