@book { DieReichsuniversittPosen19411945,
    title = "Die «Reichsuniversität Posen» 1941-1945",
    author = "Helmut {Schaller}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-00924-8",
    url = "https://www.peterlang.com/document/1054013"
}