@book { DerstudentischeFreundeskreisderWeienRose,
    title = "Der studentische Freundeskreis der Weißen Rose",
    author = "Heinrich {Kanz}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-01146-3",
    url = "https://www.peterlang.com/document/1045810"
}