ZHANG, Tengfei; ZHANG, Wei; DONG, Hao  and  LIU, Qing. H₃PW₁₂O₄₀ Anchored on the Three-Dimensional and Networked SBA-15 as an Efficient and Recyclable Catalyst for Mannich Reaction. J. Mex. Chem. Soc [online]. 2020, vol.64, n.1, pp.1-13.  Epub Dec 31, 2020. ISSN 1870-249X.