http://orka.sejm.gov.pl/Druki8ka.nsf/0/0F64826B3921BD1FC1257F8D00254872/%24File/393.pdf
https://www.iareporter.com/arbitration-cases/miedzi-copper-corp-v-poland/ (requires subscription)
https://www.iareporter.com/articles/poland-announces-that-uncitral-tribunal-has-dismissed-bulk-of-compensation-claim-in-mining-arbitration/ (requires subscription)