@book { DialectologafronterizadeExtremadura,
    title = "Dialectología fronteriza de Extremadura",
    author = "Juan M. {Carrasco González}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b18730",
    url = "https://www.peterlang.com/document/1111946"
}