http://www.iareporter.com/articles/omans-sovereign-wealth-fund-is-the-latest-claimant-to-try-to-hold-a-sovereign-state-this-time-bulgaria-liable-for-losses-tied-to-a-bank-failure/ (requires subscription)
http://globalarbitrationreview.com/news/article/34252/bulgaria-faces-claim-oman-fund/ (requires subscription)
http://www.reuters.com/article/bulgaria-oman-banking-idusl5n1013in20150722
https://www.reuters.com/article/bulgaria-oman-arbitration/bulgaria-says-oman-has-withdrawn-arbitration-claim-over-corpbank-idUSL5N2205B7
https://www.iareporter.com/articles/arbitrators-render-final-award-months-after-bulgaria-announced-end-of-claim-by-omans-sovereign-wealth-fund/ (requires subscription)
https://globalarbitrationreview.com/article/1196532/bulgaria-gets-costs-after-omani-fund-withdraws-claim (requires subscription)
https://www.arnoldporter.com/en/services/experience/foreign-sovereign/three-different-investment-treaty-disputes
https://www.minfin.bg/bg/news/10760