@book { DiesteuerlicheBehandlungderTestamentsvollstreckervergtung,
    title = "Die steuerliche Behandlung der Testamentsvollstreckervergütung",
    author = "Christian {Kirnberger}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1087045"
}