@book { OstundWestinBuchundBibliothek,
    title = "Ost und West in Buch und Bibliothek",
    author = "Gottfried {Kratz}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-06028-7",
    url = "https://www.peterlang.com/document/1049591"
}