@book { QuantitativeApproachesinHealthCareManagement,
    title = "Quantitative Approaches in Health Care Management",
    author = "Marion Sabine {Rauner} and Kurt {Heidenberger}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093602"
}