@ARTICLE {28217,
author={J. Pereira and G.  Gowda and N.  Almeida and S. P. M. Mendes},
doi={10.9790/3021},
journal={IOSR Journal of Engineering},
title={An Autonomous Wheelchair with Indoor Positioning System and Smart 3D Headphone for the Visually Impaired},
year={2019},
month={February},
volume={9},
number={2},
pages={27-40},
ISSN={2250-3021}
}