Crystal structure of poly[{aqua(1,10-phenanthroline-k2N,N'-(dihydrogen-benzene-1,2,4,5-tetracarboxylate)-k3 O:O':O"], Ni(C10H4O8)(C12H8N2)(H2O) - Lee J.-C.; Takahashi H.; Matsui Y. (Zeitschrift für Kristallographie - New Crystal Structures, 2005)