@book { ELearningandforeignlanguages,
    title = "E-Learning and foreign languages",
    author = "Andreas {Meißner}",
    year = "2003",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832464462",
    url = "https://m.diplom.de/document/221870"
}