@book { BibliothekundMedien352015Nr12,
    title = "Bibliothek und Medien 35 (2015) Nr. 1-2",
    author = "",
    year = "2015",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b13015",
    url = "https://www.peterlang.com/document/1067658"
}