Yilmaz, Hatice, and Ugur Köktürk. “Mineralogical and Micromorphological Characterization of Iron Impurity in Gedikler Bentonite Mine (Esme Usak, Turkey)”. Asian Journal of Chemistry 22, no. 4 (March 30, 2010): 3235–3245. Accessed November 25, 2024. https://asianpubs.org/index.php/ajchem/article/view/11537.