@book { Lgicasubjetivaysistemaderelaciones,
    title = "«Lógica subjetiva» y sistema de relaciones",
    author = "Reynner {Franco}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1102516"
}