@book { DieVertreterbetriebsstttenachOECDMA,
    title = "Die Vertreterbetriebsstätte nach OECD-MA",
    author = "Steffen {Ott}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1107216"
}