Östlund, AllisonHallberg, Jonas2022-02-042022-02-042022-021651-5242http://hdl.handle.net/2077/7056316 pagesengInvestor-state dispute settlement (ISDS)Preliminary referenceEU external relationsEnergy Charter Treaty (ECT)Vienna Convention (VCLT)And Now For Something Completely Different… Disposing of pacta sunt servanda through an obiter dictumText