@book { QuantitativeApproachesinHealthCareManagement,
    title = "Quantitative Approaches in Health Care Management",
    subtitle = "Proceedings of the 27 th  Meeting of the European Working Group on Operational Research Applied to Health Services (ORAHS), Vienna, Austria, July 30 - August 4, 2001",
    author = "Marion Sabine {Rauner} and Kurt {Heidenberger}",
    year = "2003",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093602"
}