@book { SteuervermeidungsstrategienmultinationalerInternetKonzerne, title = "Steuervermeidungsstrategien multinationaler Internet-Konzerne", author = "Roxane {Lilienfein}", year = "2021", publisher = "Peter Lang Verlag", address = "Berlin, Germany", doi = "10.3726/b18305", url = "https://www.peterlang.com/document/1059461" }