@book { Laentonacindeclarativaeinterrogativaencincozonasfronterizasdelespaol,
    title = "La entonación declarativa e interrogativa en cinco zonas fronterizas del español",
    author = "Josefa {Dorta}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b12056",
    url = "https://www.peterlang.com/document/1110262"
}