The Characteristics of Organic Matter from the Triassic Clays of nw Margin of the Holy Cross Mts (Poland) — Preliminary Report
Leszek Marynowski, Piotr Wyszomirski, Sławomir Kurkiewicz
Vitrinite equivalent reflectance of Silurian black shales from the Holy Cross Mountains, Poland
Justyna Smolarek, Leszek Marynowski, Karol Spunda, Wiesław Trela