https://www.bruegel.org/system/files/2024-05/WP%2014%202024_3.pdf
https://www.bertelsmann-stiftung.de/fileadmin/files/BSt/Publikationen/GrauePublikationen/WKIO_2020_final.pdf?utm_source=POLITICO.EU&utm_campaign=15a7cc1e87-EMAIL_CAMPAIGN_2020_04_08_08_59&utm_medium=email&utm_term=0_10959edeb5-15a7cc1e87-190380769
https://e-justice.europa.eu/content_european_judicial_network_in_civil_and_commercial_matters-21-es.do?init=true
https://boe.es/boe/dias/2019/11/05/pdfs/BOE-A-2019-15790.pdf#BOEn