Crystal structure of triaquatriimidazolenickel(II) naphthalene-2,6- disulfonate monohydrate, [Co(C3H4N2)3(H2O)3][C10H6S2O6] ·` H2O - Zhang Yonghua; Liu Ping; Feng Zhiling; Sun Xiaojing (Zeitschrift für Kristallographie - New Crystal Structures, 2011)