@book { DiePdagogikvonJanuszKorczak,
    title = "Die Pädagogik von Janusz Korczak",
    author = "Claudia {Schmidt}",
    year = "2006",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638472920",
    url = "https://www.hausarbeiten.de/document/51276"
}