@book { AnOrganizationalChallenge,
    title = "An Organizational Challenge",
    subtitle = "Improving Hospital Performance through New Professionals",
    author = "Constanze {Kathan-Selck} and Torsten J. {Selck}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1108247"
}