@book { DieNationalkonomieandenUniversittenFreiburgHeidelbergundTbingen19181945,
    title = "Die Nationalökonomie an den Universitäten Freiburg, Heidelberg und Tübingen 1918-1945",
    author = "Klaus-Rainer {Brintzinger}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1068500"
}