@book { SprachkontaktinNvoBerlimRioGrandedoSul, title = "Sprachkontakt in Nôvo Berlim (Rio Grande do Sul)", author = "Norma {Diaz}", year = "2021", publisher = "Peter Lang Verlag", address = "Berlin, Germany", url = "https://www.peterlang.com/document/1098102" }