@book { MonocultivodelazucarylaRevolucionCubana,
    title = "Monocultivo del azucar y la Revolucion Cubana",
    author = "Luciene {Soares do Carmo}",
    year = "2006",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638579605",
    url = "https://www.hausarbeiten.de/document/65371"
}