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↑ Senoff, C.V. (1990) "The discovery of [Ru(NH3)5NN2]2+: A case of serendipity and the scientific method" Journal of Chemical Education, volume 67: 368. doi:10.1021/ed067p368
↑ Fergusson, J. E.; Love, J. L.; Robinson, W. T. (1972) "The Crystal and Molecular Structure of Dinitrogenpentaammineosmium(II) Chloride, [Os(NH3)5N2]Cl2, and Related Ruthenium Complexes" Inorg. Chem., 11, pp. 1662–1666. doi:10.1021/ic50113a042
