@book { StimmenhinterderTr,
    title = "Stimmen hinter der Tür",
    author = "Anne {Burgert} and Ângela Maria {Pereira Nunes}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04149-1",
    url = "https://www.peterlang.com/document/1048000"
}