https://www.iareporter.com/articles/alexis-mourre-is-chosen-to-chair-new-billion-dollar-uncitral-bit-claim-against-poland/ (requires subscription)
https://globalarbitrationreview.com/article/1147103/poland-defends-billion-euro-mining-claim (requires subscription)
http://ceelm.com/index.php/poland/203-poland-ticker/4760-kochanski-zieba-partners-and-dentons-to-act-for-darley-energy-in-arbitration-against-poland
https://www.reuters.com/article/minerals-darley-kghm-polska/darley-energy-complains-to-eu-against-poland-over-mining-concession-idUSL5N0W750B20150305
https://www.iareporter.com/articles/poland-investment-treaty-claims-round-up-an-update-on-new-claims-progress-of-ongoing-cases-and-enforcement-set-aside-actions/ (requires subscription)
https://globalarbitrationreview.com/article/1147103/poland-defends-billion-euro-mining-claim (requires subscription)