@book { QualityofLifeandWorkingLifeinComparison,
    title = "Quality of Life and Working Life in Comparison",
    author = "György {Széll} and Ute {Széll}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1106785"
}