Published Online: Dec 31, 2018
Page range: 554 - 554
DOI: https://doi.org/10.2478/disp-2012-0019
© 2012 João Branquinho et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
João Branquinho
University of Lisbon,
Guido Imaguire
Federal University of Rio de Janeiro,