M. S. Gaafar and S. Y. Marzouk, Structural Investigation of Na2O–B2O3–SiO2 Glasses Doped with NdF3. journal = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology. January 2015, vol. 106(10). 1249 - 1257 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/10003587.