@article{Sanguesa:58509,
      author        = "Sanguesa, J. A. and Fogué Cortés, Manuel and Garrido
                       Picazo, María Piedad and Martínez Domínguez, Francisco
                       José and Cano, J.C and Calafate, C. T. and Manzoni, P.",
      title         = "{An infrastructureless approach to estimate vehicular
                       density in urban environments}",
      year          = "2013",
}