@book { SolonBegrnderderDemokratie,
    title = "Solon – Begründer der Demokratie?",
    author = "Isabella {Tsigarida}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1100654"
}