Gumgum, B., Akba, O., Baysal, A., & Hamamci, C. (2010). Synthesis and Characterization of Polyoxometallate Compounds of Amine and Phosphine with Molybdovanadophosphoric Acid in Keggin Type. Asian Journal of Chemistry, 18(3), 1862–1866. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/20889