@book { ZwischenlskizzeundBild,
    title = "Zwischen Ölskizze und Bild",
    author = "Viktoria {von der Brüggen}",
    year = "2004",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097085"
}