@book { UnkonventionelleBetrachtungsweisenzurWirtschaftskrise,
    title = "Unkonventionelle Betrachtungsweisen zur Wirtschaftskrise",
    author = "Uwe {Petersen}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1135556"
}