@book { ImmaterielleundmaterielleLeistungsanreize,
    title = "Immaterielle und materielle Leistungsanreize",
    author = "Beate {Busse}",
    year = "2002",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1094313"
}