1. Aydan Ö (1995) The stress state of the earth and the earth’s crust due to the gravitational pull. In: Proceedings of the 35th U.S. Symposium on Rock Mechanics, Lake Tahoe, CA, June 1995, pp 237–243
2. Aydan Ö (2003) The moisture migration characteristics of clay-bearing geo-materials and the variations of their physical and mechanical properties with water content. In: Proceedings of the 2nd Asian Conference on Unsaturated Soils, UNSAT-ASIA, Osaka, Japan, November 2003, pp 383–388
3. Aydan Ö (2004) Damage to abandoned lignite mines induced by 2003 Miyagi-Hokubu earthquakes and some considerations on its possible causes. J School Marine Sci Tech 2(1):1–17
4. Aydan Ö (2012) The inference of physico-mechanical properties of soft rocks and the evaluation of the effect of water content and weathering on their mechanical properties from needle penetration tests. In: Proceedings of the Symposium of ARMA, Chicago, IL, June 2012. Paper no. ARMA12-639 (on CD)
5. Aydan Ö, Nawrocki P (1998) Rate-dependent deformability and strength characteristics of rocks. In: Proceedings of the 2nd International Symposium on the Geotechnics of Hard Soils-Soft Rocks, Naples, Italy, October 1998, vol 1, pp 403–411