1. Sulfur isotopes in the Rammelsberg ore deposit (Germany);Anger;Econ. Geol.,1966
2. Stratiform barite deposits between Şarkikaraağaç (İsparta) and Hüyük (Konya) in Sultandağ Region, Turkey;Ayhan;Chem. Erde,2001
3. Ayhan, A., Küpeli, Ş., 1991. Karstification activities in iron deposits of Mansurlu (Feke-Adana) and lead–zinc deposits of western Zamantı (Aladağlar), Turkey. In: Ahmet Acar Geology Symposium, Proceedings, Adana, Turkey, pp. 43–54.
4. Pyrite occurrences next to the Attepe iron deposit, Feke-Adana, Turkey;Ayhan;Bull. Mineral Res. Explorat.,1992
5. Strontium geochemistry in the epithermal barite deposits from the Apuan Alps (Northern Tuscany, Italy);Barbieri;Chem. Geol.,1982