@book { RisikomanagementimMarketing,
    title = "Risikomanagement im Marketing",
    subtitle = "Der Risikomanagementprozess unter besonderer Berücksichtigung der Risikoidentifikation",
    author = "Michael {Fikar}",
    year = "2004",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1095609"
}