@book { JohannAmosComeniusVordenkereineskreativenFriedens,
    title = "Johann Amos Comenius – Vordenker eines kreativen Friedens",
    author = "Erwin {Schadel}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1098103"
}