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2. Geotechnical and geoenviromental characteristics of man-made underground structures in Cappadocia-Turkey;Aydan;Eng. Geol.,2003
3. A rock mechanics evaluation of antique and modern rock structures in Cappadocia Region of Turkey;Aydan,2007
4. Studies on Derinkuyu Underground City and its implications in geo-engineering;Aydan,2008
5. Deterioration of historical structures in Cappadocia (Turkey) and in Thebes (Egypt) in soft rocks and possible remedial measures;Aydan,2008