@book { DiversifikationundOrganisation,
    title = "Diversifikation und Organisation",
    subtitle = "Die organisatorische Eingliederung von Diversifikationen",
    author = "Frank {Gebert}",
    year = "1983",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1071310"
}