https://www.sciencedirect.com/science/article/pii/S2542435121000830/pdfft?md5=cdf440c00dde4a8e080cc3901da4c60b&pid=1-s2.0-S2542435121000830-main.pdf
https://cefic.org/app/uploads/2021/12/Economic-Analysis-of-the-Impacts-of-the-Chemicals-Strategy-for-Sustainability-Phase-1.pdf
https://www.bruegel.org/2022/03/can-europe-manage-if-russian-oil-and-coal-are-cut-off/