Krzystof Foltyn. "MULTIPLE GENERATIONS OF PYROCHLORES FROM THE OKA CARBONATITE COMPLEX, CANADA." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Science and Technologies in Geology, Exploration and Mining, 2018, pp. 323-330. https://doi.org/10.5593/sgem2018/1.1/s01.041