25. All-Inorganic Ionic Porous Material Based on Giant Spherical Polyoxometalates Containing Core-Shell 

 K₆@K₃₆-Water Cage

Z. Li, L. D. Lin, H. Yu, X. X. Li, S. T. Zheng*, Angew. Chem. Int. Ed, 2018, 57, 15777-15781.