@book { Kunstheute,
    title = "Kunst heute",
    subtitle = "Betrachtungen im Lichte zeitgenössischer Tendenzen",
    author = "André {Mercier}",
    year = "1974",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1112974"
}