@book { SpracheundKulturderTschechenundSlowakenundihreVermittlung,
    title = "Sprache und Kultur der Tschechen und Slowaken und ihre Vermittlung",
    author = "Hana {Adam} and Robert {Hammel}",
    year = "2014",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b11932",
    url = "https://www.peterlang.com/document/1056267"
}