Citation: Wu, Hua; Yang, Jin; Liu, Ying-Ying; Ma, Jian-Fang (2012). pH-Controlled Assembly of Two Unusual Entangled Motifs Based on a Tridentate Ligand and Octamolybdate Clusters: 1D + 1D \\rightarrow 3D Poly-Pseudorotaxane and 2D \\rightarrow 2D \\rightarrow 3D Polycatenation. Crystal Growth & Design, 12, pp. 2272-.