@book { LefandtheLeftFrontoftheArts,
    title = "Lef and the Left Front of the Arts",
    author = "Halina {Stephan}",
    year = "1981",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12462",
    url = "https://www.peterlang.com/document/1066931"
}