https://theconversation.com/que-el-dia-tenga-24-horas-y-no-mas-ni-menos-lo-decidieron-los-antiguos-egipcios-209435
https://i2.res.24o.it/pdf2010/Editrice/ILSOLE24ORE/QUOTIDIANI_VERTICALI/Online/_Oggetti_Embedded/Documenti/2020/10/13/Sentenza_Mangani.pdf
https://www.sciencemag.org/news/2020/10/france-s-top-science-magazine-turmoil-over-editorial-independence?utm_campaign=news_daily_2020-10-07&et_rid=682362580&et_cid=3511973