1. Aydan, Ö. (1989): The stabilisation of rock engineering structures by rockbolts. Doctorate Thesis, Nagoya University.
2. Aydan, Ö., Kawamoto, T. (1987): Toppling failure of discontinuous rock slopes and their stabilisation (in Japanese). J. of Min. Metall. Inst. of Japan 103, 763?770.
3. Aydan, Ö., Kyoya, T., Ichikawa, Y., Kawamoto, T. (1987): Anchorage performance and reinforcement effect of fully grouted rockbolts on rock excavations. In: Proc., 6th Int. Congr. on Rock Mechanics, ISRM Montreal 2, 757?760.
4. Aydan, Ö., Kyoya, T., Ichikawa, Y., Kawamoto, T. (1988): Flexural toppling failures in slopes and underground openings. In: Proc., 9th West Japan Symp. on Rock Engineering, Kumamoto, 72?80.
5. Bjürstrom, S. (1974): Shear strength of hard rock joints reinforced by grouted untensioned bolts. In: Proc., 3rd Int. Congr. on Rock Mechanics, ISRM Denver 2 B, 1194?1199.