1. Allen, C. W. (1934). Subsidence resulting from the Athens system of mining at Negaunee, Michigan. Proceedings America Institute Mining & Met. Engineering, 109, 195–202.
2. Altun, A. O., Yilmaz, I., & Yildirim, M. (2010). A short review on the surficial impacts of underground mining. Scientific Research & Essays, 5(21), 3206–3212.
3. Betournay, M. C. (1994). Chimneying disintegration failure mechanisms of hard rock mines. Proceedings of the 1st North American Rock Mechanics Symposium, Austin, Balkema, 987–996.
4. Betournay, M. C. (1995). The stability of shallow stopes of hard rock mine. McGill University Ph.D. Thesis, 611 p.
5. Betournay, M. C. (2002). Underground mining and its surface effects. Interstate Technical Group on Abandoned Underground Mines, Fourth Biennial Abandoned Underground Mine Workshop, Davenport, Iowa, May 1–3.