M. Bernasowski. "STUDIES OF ZN-PB SINTER REDUCTION USED AS A BATCH IN IMPERIAL SMELTING PROCESS." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings19th, Science and Technologies in Geology, Exploration And Mining, 2019, pp. 925-930. https://doi.org/10.5593/sgem2019/1.3/s04.120