@book { almostcustomersalsZielgruppefrdasInteressentenmanagement,
    title = "almost customers als Zielgruppe für das Interessentenmanagement",
    author = "Katharina {Geisreiter}",
    year = "2005",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832487348",
    url = "https://m.diplom.de/document/223920"
}