| [var. Illite] Szymczyk, A. (2020) Multi-Tool (LA-ICPMS, EMPA and XRD) Investigation on Heavy Minerals from Selected Holocene Peat-Bog Deposits from the Upper Vistula River Valley, Poland. Minerals 10, 9. Szopa, K. Skreczko, S. Chew, D. Krzykawski, T. |