https://globalarbitrationreview.com/article/1190852/argentina-faces-claim-over-pension-funds (requires subscription)
https://www.iareporter.com/articles/as-argentinas-jurisdictional-objections-become-clear-in-metlife-case-another-investor-in-the-same-nationalized-private-pension-sector-initiates-a-bit-claim/ (requires subscription)