Navin Kumar Domingos Terra Nuno Lourenço Luis Nero Alves Rui L. Aguiar Visible light communication for intelligent transportation in road safety applications. 1513-1518 2011 IWCMC http://dx.doi.org/10.1109/IWCMC.2011.5982762 conf/iwcmc/2011 db/conf/iwcmc/iwcmc2011.html#KumarTLAA11