@book { Deprocessibusmatrimonialibus,
    title = "De processibus matrimonialibus",
    author = "Elmar {Güthoff} and Karl-Heinz {Selge}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1109777"
}