1) Beer, P.; Fletcher, N.; Grieve, A.; Wheller, J.; Moore, C.; Wear, T.; J. Chem. Soc. Perkin Trans. 1996, (8), 1545-1552

2) Moon, D.; Kang, S.; Park, J.; Lee, K.; John, R.; Won, H.; Seong, G.; Kim, Y.; Kim, G.; Rhee, H.; Lah, M.; J. Am. Chem. Soc. 2006, 128(11), 3530-3531, DOI: 10.1021/ja060051h ; Face-Driven Corner-Linked Octahedral Nanocages:  M6L8 Cages Formed by C3-Symmetric Triangular Facial Ligands Linked via C4-Symmetric Square Tetratopic PdII Ions at Truncated Octahedron Corners 

3) Wang, Y.; Okamura, T.; Sun, W.; Ueyama, N.; Cryst. Growth Des. 2008, 8(3), 802-804, DOI:10.1021/cg701242z ; Large (H2O)56(OH)6 and (H2O)20 Clusters inside a Nanometer-Sized M6L8 Cage Constructed by Five-Coordinated Copper(II) and Flexible Carboxamide-Containing Tripodal Ligand 

4) Wang, Y.; Song, Y.; Liu, L.; Chen, J.; Wang, P.; Zhao, Y.; J. Mole. Struct. 2018, 1154, 179-186, DOI: 10.1016/j.molstruc.2017.10.041 ; From interpenetration to non-interpenetration: A series of self-assemblies predominated by reaction conditions