@book { AlexanderDubek,
    title = "Alexander Dubček",
    author = "Miroslav {Londák} and Slavomír {Michálek}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b15816",
    url = "https://www.peterlang.com/document/1063197"
}