@book { ImageprofilierungfrHeilbderundKurorte,
    title = "Imageprofilierung für Heilbäder und Kurorte",
    author = "Ulf {Klimke}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832457808",
    url = "https://m.diplom.de/document/221237"
}