Jeyabalan, T., S. Xavier Rajarathinam, and Praveen Peter. “Synthesis and Spectral Characterization of Vanadium Substituted Hexaniobates”. Asian Journal of Chemistry 23, no. 7 (March 22, 2011): 2989–2993. Accessed January 8, 2025. https://asianpubs.org/index.php/ajchem/article/view/10599.