@book { Losrelativosenelasturianomedieval,
    title = "Los relativos en el asturiano medieval",
    author = "Clara Elena {Prieto Entrialgo}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0351-0763-0",
    url = "https://www.peterlang.com/document/1053174"
}