@book { EmailSMSMMS,
    title = "Email – SMS – MMS",
    subtitle = "The Linguistic Creativity of Asynchronous Discourse in the New Media Age",
    author = "Carmen {Frehner}",
    year = "2008",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1104300"
}