Salata, Dorota, and Alfred Uchman. “New Interpretation of the Provenance of Crystalline Material from Oligocene Flysch Deposits of the Skole Nappe, Poland: Evidence from Heavy Minerals and Clasts in the Nowy Borek Section”. Geologos, vol. 25, no. 2, Aug. 2019, pp. 163-74, doi:10.2478/logos-2019-0015.