@article{HurtadoMorales:9980,
      author        = "Hurtado Morales, Mikel Fernando and Coronas Ceresuela,
                       Joaquín",
      title         = "{Synthesis and Characterization of Graphene Oxide and
                       Reduced Graphene Oxide and its Use in Flexible Photovoltaic
                       Cells}",
      year          = "2013",
}