@book { Fronterasyreconfiguracionesregionales,
    title = "Fronteras y reconfiguraciones regionales",
    author = "Claudia {Puerta Silva} and Juan Carlos {Vélez Rendón}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    doi = "10.3726/978-3-0352-6080-9",
    url = "https://www.peterlang.com/document/1044053"
}