@book { Elcastellanoyelcatalnencontacto,
    title = "El castellano y el catalán en contacto",
    subtitle = "Efectos sobre el vocabulario",
    author = "Maribel {Serrano Zapata}",
    year = "2024",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b20587",
    url = "https://www.peterlang.com/document/1510190"
}