@book { Conoptimismoeimaginacin,
    title = "Con optimismo e imaginación",
    subtitle = "La realidad cubana de hoy y su reflejo lingüístico",
    author = "Kerstin {Störl}",
    year = "2007",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1102725"
}