@book { WittgensteinsBemerkungenberdieFarben,
    title = "Wittgensteins «Bemerkungen über die Farben»",
    author = "Frederik {Gierlinger}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-05038-7",
    url = "https://www.peterlang.com/document/1067595"
}