@book { EssaysonNaturalandArtificialLanguages,
    title = "Essays on Natural and Artificial Languages",
    author = "Christo {Moskovsky} and Alan {Libert}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1105534"
}