@book { Msalldelafrontera,
    title = "Más allá de la frontera",
    author = "Carmen {Luna Sellés} and Rocío {Rocío Hernández Arias}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b15921",
    url = "https://www.peterlang.com/document/1110926"
}