@book { eLearningMedivistik,
    title = "eLearning & Mediävistik",
    author = "Hiram {Kümper}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-00648-3",
    url = "https://www.peterlang.com/document/1045748"
}