SHUKLA, D.K., and S. MOLLAH. “DC Conductivity of Copper-Bismuth Glasses Doped With TiO2 and ZnO”. Asian Journal of Chemistry 18, no. 5 (March 30, 2010): 3321–3324. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/13851.