About this article
Published Online: Dec 31, 2018
Page range: 869 - 888
DOI: https://doi.org/10.2478/disp-2012-0035
© 2012 Célia Teixeira, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Célia Teixeira
University of Lisbon and LanCog Group,