Zhao, Yingna, Xiongfeng Zeng, Wenli Zhang, and Jianguo Jin. 2015. “X-Ray Absorption Fine Structure of Ti Coordination Changes in Na2O-B2O3-SiO2-TiO2 Glass System”. Asian Journal of Chemistry 27 (7):2412-14. https://doi.org/10.14233/ajchem.2015.17873.