https://www.pwc.co.uk/economic-services/assets/international-impact-of-automation-feb-2018.pdf
https://www.baua.de/DE/Angebote/Publikationen/Berichte/F2398.pdf?__blob=publicationFile&v=3
http://www.kavalacapital.com/content/20201201-Rapport_ecommerce.pdf