1. Anon, 2005. Basic Design of Tabas Coal Mine Project, Report-mining. vol 1 of 5.
2. Practical structural reliability techniques;Ayyub;Journal of Structural Engineering (ASCE),1984
3. Badr, S.A., 2004. Numerical Analysis of Coal Yield Pillars at Deep Longwall Mines. Ph.D. Thesis Department of Mining Engineering Colorado School of Mine.
4. Carlisle, S., Jung, S.J., 2006. Probabilistic Design of Hard-rock Openings and Pillars. The 41st US Symposium on Rock Mechanics (USRMS), Golden, CO, USA.
5. Crown-pillar risk assessment-planning aid for cost-effective mine closure remediation;Carter;International Journal of Rock Mechanics and Mining Sciences and Geomechanics Abstracts,1995