@book { MultimodaleKommunikationimSocialWeb,
    title = "Multimodale Kommunikation im Social Web",
    author = "Christina Margrit {Siever}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04420-1",
    url = "https://www.peterlang.com/document/1067587"
}