@book { ThoughtSignSymbol,
    title = "Thought-Sign-Symbol",
    author = "Monika {Kopytowska} and Artur {Gałkowski} and Massimo {Leone}",
    year = "2022",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b19947",
    url = "https://www.peterlang.com/document/1296908"
}