Publié en ligne: 07 avr. 2019
Pages: 3 - 6
DOI: https://doi.org/10.2478/sjs-2019-0001
© 2019 Felix Bühlmann et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Felix Bühlmann
University of Lausanne,
Lausanne
Marion Beetschen
University of Lausanne,
Lausanne