@book { JohannGeorgSulzerAllgemeineTheoriederschnenKnste,
    title = "Johann Georg Sulzer - Allgemeine Theorie der schönen Künste",
    author = "Arne {Engelhardt}",
    year = "2009",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640353927",
    url = "https://www.hausarbeiten.de/document/129018"
}