@book { VerrechnungspreiseinSpartenorganisationen,
    title = "Verrechnungspreise in Spartenorganisationen",
    author = "Hans-Hermann {Bruckschen}",
    year = "1981",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1072503"
}