@book { DieKontroverseumdie2Lautverschiebung,
    title = "Die Kontroverse um die 2. Lautverschiebung",
    author = "Judith {Schwerdt}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093217"
}