Housecroft, C. E., and E. C. Constable. “Ditopic and Tetratopic 4,2’:6’,4’’-Terpyridines As Structural Motifs in 2D- and 3D-Coordination Assemblies”. CHIMIA, vol. 73, no. 6, July 2019, p. 462, doi:10.2533/chimia.2019.462.