Citation: Richardson, Chris; Steel, Peter J.; D'Alessandro, Deanna M.; Junk, Peter C.; Keene, F. Richard (2002). Mono- and di-nuclear complexes of the ligands 3,4-di(2-pyridyl)-1,2,5-oxadiazole and 3,4-di(2-pyridyl)-1,2,5-thiadiazole; new bridges allowing unusually strong metal--metal interactions. Journal of the Chemical Society, Dalton Transactions, , pp. 2775-.