@book { Estudiossobreeltexto,
    title = "Estudios sobre el texto",
    subtitle = "Nuevos enfoques y propuestas",
    author = "María Azucena {Penas Ibánez} and Rosario {González Pérez}",
    year = "2009",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1106613"
}