Pysmennyi, S., Brovko, D., Shwager, N., Kasatkina, I., Paraniuk, D., & Serdiuk, O. (2018). Development of complex-structure ore deposits by means of chamber systems under conditions of the Kryvyi Rih iron ore field. Eastern-European Journal of Enterprise Technologies, 5(1 (95), 33–45. https://doi.org/10.15587/1729-4061.2018.142483