@book { ArnoldRuge18021880,
    title = "Arnold Ruge (1802-1880)",
    subtitle = "Beiträge zum 200. Geburtstag",
    author = "Lars {Lambrecht} and Karl-Ewald {Tietz}",
    year = "2002",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1095423"
}