@book { WissensmanagementanBMHS,
    title = "Wissensmanagement an BMHS",
    author = "Sonja {Gabriel}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-02968-0",
    url = "https://www.peterlang.com/document/1046598"
}