@book { DieberuflicheIntegrationgeistigbehinderterMenschen,
    title = "Die berufliche Integration geistig behinderter Menschen",
    author = "Karin {Beisteiner}",
    year = "1998",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1085579"
}