1. Aydan, Ö., Kawamoto, T. (1990): Discontinuities and their effect on rock mass. Proc., Int. Symp. on Rock Joints, Loen, 149?156.
2. Aydan, Ö., Shimizu, Y. (1995): Surface morphology characteristics of rock discontinuities with particular reference to their genesis. Proc., Int. Meeting on Fractography, Special Publication on Fractography, Geol. Soc. of UK, 11?26.
3. Aydan, Ö., Ito, T., Ichikawa, Y. (1993): Failure Phenomena and strain localisation in rock mechanics and rock engineering: A phenomenological description. Proc. Int. Symp. on Assessment and Prevention of Failure Phenomena in Rock Engineering, Istanbul, 119?128.
4. Hamblin, W. K. (1992): Earth's dynamic systems, Macmillan Publ. New York.
5. Huang, T. H., Doong, Y. S. (1990): Anisotropic shear strength of rock joints. Proc., Int. Symp. on Rock Joints, Loen, 211?218.