@ARTICLE {20117,
author={S.I. Lopes and J. Vieira and O.F.F.L Lopes and P. R. M. R. Rosa and N.A.S.D. Dias},
doi={10.1016/j.procs.2012.10.002},
journal={Procedia Computer Science},
title={MobiFree: A Set of Electronic Mobility Aids for the Blind},
year={2012},
month={October},
volume={14},
number={0},
pages={10-19},
ISSN={0000-2010}
}