@book { DerDeutschRmerEmilWolff18021879,
    title = "Der Deutsch-Römer Emil Wolff (1802-1879)",
    author = "Dietmar {Vogel-Straatman}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1115885"
}