@book { ZweiMnnersindnichtgenug,
    title = "Zwei Männer sind nicht genug",
    subtitle = "Roman",
    author = "Renate {Fabel}",
    year = "2015",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/300332"
}