@book { DreimaldunkleZukunft3ScienceFictionRomane,
    title = "Dreimal dunkle Zukunft: 3 Science Fiction Romane",
    author = "Hendrik M. {Bekker} and Alfred {Bekker} and Jo {Zybell}",
    year = "2022",
    publisher = "Uksak E-Books",
    address = "Lengerich, Deutschland",
    url = "https://uksakebooks.grin.com/document/1303441"
}