https://www.rzuser.uni-heidelberg.de/~p00/down/cv_orrego.pdf
https://www.iareporter.com/articles/russia-prevails-in-investment-treaty-arbitration-with-german-investor/ (requires subscription)
https://www.iareporter.com/articles/analysis-when-the-stockholm-chamber-of-commerce-nominates-arbitrators-on-behalf-of-defaulting-states-who-gets-chosen/ (requires subscription)