Jiri Botula. THE POSSIBILITY OF OBTAINING IRON FROM IRON ORE FROM THE HOA - PHAT DEPOSITS. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 16th International Multidisciplinary Scientific GeoConference SGEM2016, Science and Technologies in Geology, Exploration and Mining, 2016. https://doi.org/10.5593/sgem2016/b12/s04.158