Copyright (c) 2018 S. Schnabel, J. Lozano-Parra, Á. Gómez-Gutiérrez, A. Alfonso-Torreño

Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 International License.

© Universidad de La Rioja, 2013

ISSN 0211-6820

EISSN 1697-9540