http://www.berkshirehathaway.com/letters/2017ltr.pdf
https://www.veblen-institute.org/IMG/pdf/aubert_hdef.pdf
https://datainnovation.org/2023/02/5-qs-for-adrien-firmenich-founder-and-ceo-of-quantifying-nature/
https://www.ips-journal.eu/index.php?id=340&L=0&tx_news_pi1%5Bnews%5D=4638&tx_news_pi1%5Bcontroller%5D=News&tx_news_pi1%5Baction%5D=detail&utm_source=newsletter&utm_medium=email&utm_campaign=en_820_20200915&cHash=4aa097f04718b7435e5ddd364196eb15