@book { KrisenmanagementinSportbetrieben,
    title = "Krisenmanagement in Sportbetrieben",
    author = "Ronald {Wadsack} and Rainer Tarek {Cherkeh}",
    year = "2023",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b20133",
    url = "https://www.peterlang.com/document/1303859"
}