Ay, A. M. Et Al. 2014. The mineralogical petrological and gemological characteristics of natural black carbon Oltu Stone and green opal. 8th International Symposium on Eastern Mediterranean Geology , (Muğla, Turkey), 188.

Ay, A. M., Güler, H., Kılınçarslan, S., Velioğlu, T., Alan, M., & HATİPOĞLU, M., (2014). The mineralogical petrological and gemological characteristics of natural black carbon Oltu Stone and green opal . 8th International Symposium on Eastern Mediterranean Geology (pp.188). Muğla, Turkey

Ay, Ali Et Al. "The mineralogical petrological and gemological characteristics of natural black carbon Oltu Stone and green opal," 8th International Symposium on Eastern Mediterranean Geology, Muğla, Turkey, 2014

Ay, Ali M. Et Al. "The mineralogical petrological and gemological characteristics of natural black carbon Oltu Stone and green opal." 8th International Symposium on Eastern Mediterranean Geology , Muğla, Turkey, pp.188, 2014

Ay, A. M. Et Al. (2014) . "The mineralogical petrological and gemological characteristics of natural black carbon Oltu Stone and green opal." 8th International Symposium on Eastern Mediterranean Geology , Muğla, Turkey, p.188.

@conferencepaper{conferencepaper, author={Ali Murat Ay Et Al. }, title={The mineralogical petrological and gemological characteristics of natural black carbon Oltu Stone and green opal}, congress name={8th International Symposium on Eastern Mediterranean Geology}, city={Muğla}, country={Turkey}, year={2014}, pages={188} }