@book { DieDatenschutzkonventiondesEuroparates,
    title = "Die Datenschutzkonvention des Europarates",
    author = "Ferdinand {Henke}",
    year = "1986",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1075371"
}