@book { KrisenmanagementinSportbetrieben,
    title = "Krisenmanagement in Sportbetrieben",
    author = "Ronald {Wadsack} and Rainer Tarek {Cherkeh} and Carolin {von Büdingen} and Rüdiger {Hamel}",
    year = "2006",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101182"
}