Gumgum, B. (2010) “Synthesis and Characterization of Polyoxometallate Compounds of Amine and Phosphine with Molybdovanadophosphoric Acid in Keggin Type”, Asian Journal of Chemistry, 18(3), pp. 1862–1866. Available at: https://asianpubs.org/index.php/ajchem/article/view/20889 (Accessed: 3 October 2024).