@article{202107.0657,
	doi = {10.20944/preprints202107.0657.v1},
	url = {https://doi.org/10.20944/preprints202107.0657.v1},
	year = 2021,
	month = {July},
	publisher = {Preprints},
	author = {Huawei Xu and Derek B. B Apel and Yuanyuan Pu},
	title = {Comparative Study of Excavation Length Effect on Stope Stability in Underground Mining},
	journal = {Preprints}
}