About this article
Published Online: Dec 31, 2018
Page range: 2 - 3
DOI: https://doi.org/10.2478/disp-1998-0014
Keywords
© 2019 João Branquinho, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Branquinho, João
Universidade de Lisbon,Lisbon, Portugal