@book { UngarndeutscheLiteratur,
    title = "Ungarndeutsche Literatur",
    author = "Erika {Regner}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04265-8",
    url = "https://www.peterlang.com/document/1048416"
}