Koralay, D. B. “A Review of the Elemental Composition and Redox Conditions of Oligocene Organic Matter-Rich Deposits, Western Anatolia Turkey”. Journal of Engineering Research and Applied Science 7, no. 1 (June 30, 2018): 711-721. Accessed June 10, 2026. http://journaleras.com/index.php/jeras/article/view/101.