1. Prediction of penetration and utilization for hard rock TBMs;Alber,1996
2. A strata strength index for boom type roadheaders;Aleman;Tunn. Tunn.,1981
3. Tunnelling with machines working on undercutting principle;Barendsen,1970
4. TBM performance estimation in rock using QTBM;Barton;TT Int.,1999
5. The performance analysis of large diameter blast hole rotary drills in Turkish Coal Enterprises;Bilgin,1993