https://www.iareporter.com/arbitration-cases/zurich-insurance-v-bolivia/ (requires subscription)
https://globalarbitrationreview.com/insurer-pursues-treaty-claim-against-bolivia-over-pension-reforms (requires subscription)
https://ciarglobal.com/el-arbitraje-zurich-vs-bolivia-en-la-cpa-y-bajo-reglas-uncitral/