@book { LebenLustLeidenschaft,
    title = "Leben, Lust & Leidenschaft",
    author = "Hans {Kreis}",
    year = "2012",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    doi = "10.3239/9783943835076",
    url = "https://m.dotbooks.de/document/195995"
}