@article{Bhattacharya_2021, title={Underground communication is keeping pace with surface communication}, volume={69}, url={https://informaticsjournals.com/index.php/jmmf/article/view/28071}, DOI={10.18311/jmmf/2021/28071}, abstractNote={No Abstract.}, number={5}, journal={Journal of Mines, Metals and Fuels}, author={Bhattacharya, Jayanta}, year={2021}, month={Jul.}, pages={139–139} }