@book { BildunghatkeinGeschlecht,
    title = "Bildung hat (k)ein Geschlecht",
    subtitle = "Über erzogene und erziehende Frauen",
    author = " {Katharine Ruf}",
    year = "1998",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1086313"
}