@book { KarlvonPidoll,
    title = "Karl von Pidoll",
    subtitle = "Das Leben und das Werk",
    author = "Roman {Zieglgänsberger}",
    year = "2005",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1099330"
}