@book { DesKnigsBiograph,
    title = "Des Königs Biograph",
    subtitle = "Alexander Cartellieri (1867-1955)- Historiker zwischen Frankreich und Deutschland",
    author = "Matthias {Steinbach}",
    year = "2001",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1091765"
}