@book { hnlichkeitssucheinderLostArtInternetDatabase,
    title = "Ähnlichkeitssuche in der Lost Art Internet Database",
    author = "Christian {Urban}",
    year = "2004",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832477868",
    url = "https://m.diplom.de/document/223055"
}