1. Investigation of the Failure of Roofs in Coal Mines;Aughenbaugh N,1973
2. Humidity effects on coal mine roof stability;Aughenbaugh N,1976
3. RQD from the barrel to the box: weatherability may be a better indicator for roof support design;Unrug,2003
4. Shale failure mechanics and intervention measures in underground coal mines: results from 50 Years of Ground Control Safety Research;Murphy;Rock Mech Rock Eng,2015
5. Roof Instability: what reportable noninjury roof falls in underground coal mines can tell us;Bajpayee T,2014