@book { BasqueandProtoBasque,
    title = "Basque and Proto-Basque",
    subtitle = "Language-Internal and Typological Approaches to Linguistic Reconstruction",
    author = "Mikel {Martínez Areta}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-02701-3",
    url = "https://www.peterlang.com/document/1046298"
}