@book { KognitiveDysphasien,
    title = "Kognitive Dysphasien",
    author = "Maria-Dorothea {Heidler}",
    year = "2006",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04737-0",
    url = "https://www.peterlang.com/document/1053617"
}