@book { DasGlcksspielimErtragsteuerrecht,
    title = "Das Glücksspiel im Ertragsteuerrecht",
    author = "Felix {Meisheit}",
    year = "2020",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b17579",
    url = "https://www.peterlang.com/document/1059250"
}