G. V. J. . GOWDA, G. V. A. . REDDY, B. . ERAIAH, and C. R. . DEVARAJA, “Investigations of structural modifications, physical and optical properties of lead boro-tellurite glasses doped with europium trioxide for possible optical switching applications”, J Met Mater Miner, vol. 33, no. 2, pp. 65–74, Jun. 2023.