@book { DieVerfassungsmigkeitvonAntiDopingBestimmungen,
    title = "Die Verfassungsmäßigkeit von Anti-Doping-Bestimmungen",
    author = "Ralf {Lenz}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1090109"
}