@book { DieGmbHatypischStillimSteuerrecht,
    title = "Die GmbH & atypisch Still im Steuerrecht",
    author = "Jörg {Steinacker}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1081217"
}