Crystal structure of diaqua-bis(2-bipyridinecarboxylato)gadolinium(III) nitrate monohydrate, [Gd(C6H4O2N)2][NO3]*H2O - Lin Qiu-Yue; He Xin-Qian; Wen1 Yi-Han (Zeitschrift für Kristallographie - New Crystal Structures, 2009)