@book { PsychiatrieimNationalsozialismus,
    title = "Psychiatrie im Nationalsozialismus",
    author = "Patrick {Klein}",
    year = "2013",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656493778",
    url = "https://www.hausarbeiten.de/document/232653"
}