@book { WilhelmBranco18441928,
    title = "Wilhelm Branco (1844-1928)",
    author = "Winfried {Mogge}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b14032",
    url = "https://www.peterlang.com/document/1110657"
}