Angelika Musial, Edyta Sermet, Marek Niec. "RARE EARTH ELEMENTS IN THE ROCK SEQUENCE FROM LOWER TO MIDDLE DEVONIAN IN THE HOLY CROSS MOUNTAINS, POLAND." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining, 2017, pp. 471-478. https://doi.org/10.5593/sgem2017/11/s01.060