
https://www.strategie.gouv.fr/sites/strategie.gouv.fr/files/atoms/files/fs-2020-point-de-vue-planification-juin.pdf

https://www.bruegel.org/policy-brief/eu-can-manage-without-russian-liquified-natural-gas

http://ecipe.org//app/uploads/2018/02/ECIPE_Occasional0218_HLM_V7.pdf