@INPROCEEDINGS {30836,
author={R.  Raffaele and B. C. Carvalho and F.   Silva},
doi={},
booktitle={Encontro Português de Computação Gráfica - EPCG},
title={Evaluation of immersive user interfaces in virtual reality first person games},
year={2017},
month={October},
volume={},
pages={123-126} 
}