18.
Arslan, M., Tosun, S., Ok, K., Akkemik, Ü., Köse, N., Aydın, A., Mutlu, H., Güneş, Y., Niyazi, F.S., Güler, N., Karlıoğlu, N., Güneş, M.Y., 2013. Determination of Natural and Cultural Values and Development of Management Plan in the Seben Petrified Forest. Technical Bulletin. No: 20. The Western Black Sea Forestry Research Institute, pp. 38.