Stanislaw Prusek. "NEW METHOD TO FEED FILLING MATERIALS INTO SHAFTS WITH DIRECTING TUBULAR TANKS." 14th International Multidisciplinary Scientific GeoConference SGEM 2014, Science and Technologies in Geology, Exploration and Mining, Vol. 14, Book 1, Volume 3 (2014). https://doi.org/10.5593/sgem2014/b13/s3.052