Wang, L., Xia Yu, F., Tan, F., Wang, J., Han, K., & Zhou, D. (2014). Effect of Tm3+ Sensitization to Ho3+ Doped GeO2-B2O3-BaF2-Al2O3-ZnO2-Na2O Glass on Spectral Properties. Asian Journal of Chemistry, 26(17), 5891–5894. https://doi.org/10.14233/ajchem.2014.18311