@book { TheAcquisitionofInterjectionsinEarlyChildhood,
    title = "The Acquisition of Interjections in Early Childhood",
    author = "Ulrike {Stange}",
    year = "2009",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836624817",
    url = "https://m.diplom.de/document/226475"
}