@book { Niederdeutschdidaktik,
    title = "Niederdeutschdidaktik",
    author = "Birte {Arendt} and Robert {Langhanke}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b18929",
    url = "https://www.peterlang.com/document/1215314"
}