@book { DeutscheRegionalspracheninMittelundSdosteuropa,
    title = "Deutsche Regionalsprachen in Mittel- und Südosteuropa",
    author = "Alvina {Ivănescu} and Mihaela {Şandor}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b15283",
    url = "https://www.peterlang.com/document/1110783"
}