Published Online: Dec 31, 2018
Page range: 103 - 105
DOI: https://doi.org/10.2478/disp-2011-0001
© 2011 Marta Jorba et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Marta Jorba
Sergi Oms
University of Barcelona,