TY - CPAPER AU - Ewa Krzeszowska TI - BIODIVERSITY OF THE WESTPHALIAN A MARINE MARKER HORIZON OF THE NORTHWEST EUROPEAN CARBONIFEROUS BASIN: IMPLICATIONS FOR THE PALEOECOLOGICAL STUDIES T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining PY - 2017 SP - 49 EP - 56 DO - 10.5593/sgem2017/11/s01.006 PB - STEF92 Technology ER -