@book { DieKunstdieWeltzusehen,
    title = "Die Kunst, die Welt zu sehen",
    author = "Alexander K {Woronski} and Ingeborg {Schröder} and Erich {Ahrndt}",
    year = "2016",
    publisher = "MEHRING Verlag",
    address = "Essen, Deutschland",
    url = "https://mehring.openpublishing.com/document/321629"
}