https://www.clingendael.org/sites/default/files/2019-08/Report_US-China_stand-off.pdf
https://www.europarl.europa.eu/meetdocs/2009_2014/documents/deea/dv/2203_07/2203_07en.pdf
https://www.wto.org/english/res_e/booksp_e/blockchainrev18_e.pdf
https://theconversation.com/la-innovacion-tecnologica-de-antoni-gaudi-225221