@book { AphasischeSprachstrungen,
    title = "Aphasische Sprachstörungen",
    author = "Britta {Lühr}",
    year = "2002",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640045099",
    url = "https://www.hausarbeiten.de/document/106230"
}