Sharifzadeh Baei, M., & A. Rezvani, M. (2011). An Efficient, New, Simple and Rapid Method for Synthesis and Isomerization of Heteropolyanion B-[PW9O34]9-. Asian Journal of Chemistry, 23(12), 5381–5383. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/11156