@book { DieAuflsungdesStaatesPreuen,
    title = "Die Auflösung des Staates Preußen",
    author = "Gerhard {Dassow}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-06276-2",
    url = "https://www.peterlang.com/document/1049707"
}