Kaygusuz, Abdullah, Zenne Merdan Tutar, and Cem Yucel. 2017. “Mineral Chemistry, Crystallization Conditions and Petrography of Cenozoic Volcanic Rocks in the Bahcecik (Torul/Gumushane) Area, Eastern Pontides (NE Turkey)”. Journal of Engineering Research and Applied Science 6 (2), 641-51. http://www.journaleras.com/index.php/jeras/article/view/92.