@book { SicherheitDenken,
    title = "Sicherheit Denken ",
    subtitle = "Entspannungspolitik auf der Zweiten Ebene 1969-1990",
    author = "Sabine {Loewe-Hannatzsch}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b15401",
    url = "https://www.peterlang.com/document/1110995"
}