https://iea.blob.core.windows.net/assets/ada7af90-e280-46c4-a577-df2e4fb44254/Renewables2022.pdf
http://www.case-research.eu/files/?id_plik=5223
https://medium.com/nightingale/the-cycle-of-encoding-and-decoding-f3ff17010631
https://www.statnews.com/2021/03/04/the-short-term-middle-term-and-long-term-future-of-the-coronavirus/