@book { LaobradeJorgeSemprn,
    title = "La obra de Jorge Semprún",
    author = "Jaime {Céspedes Gallego}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0351-0635-0",
    url = "https://www.peterlang.com/document/1052965"
}