Stupnik, M., Kalinichenko, V., Rymarchuk, B., Pysmennyi, S., Fedko, M. and Kalinichenko, E. 2018. Improvement of the method of drilling and blasting operations at the use of explosive substance «Ukrainite» in underground mining works. Technology audit and production reserves. 6, 1(44) (May 2018), 29–35. DOI:https://doi.org/10.15587/2312-8372.2018.152055.