Fox, M., Howard, J., MacBride, J., Mackinnon, A., & Wade, K. (2003). Big macrocyclic assemblies of carboranes (big MACs): synthesis and crystal structure of a macrocyclic assembly of four carboranes containing alternate ortho- and meta-carborane icosahedra linked by para-phenylene units. Journal of Organometallic Chemistry, 680(1-2), 155-164. https://doi.org/10.1016/s0022-328x%2803%2900313-9