Alexander F. Galkin. "EFFICIENCY OF USING LIGHTWEIGHT CONCRETE IN MINE WORKINGS OF THE NORTH." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 14th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING (2014). https://doi.org/10.5593/sgem2014/b13/s3.027