@book { DerunabhngigeAllfinanzVertrieb,
    title = "Der unabhängige Allfinanz-Vertrieb",
    author = "Gilbert {Gornig} and Dieter {Meurer} and Frank {Reinhardt} and Norbert {Klatt}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097066"
}