Zhao, Y. and Zhang, R. (2015) “Hydrothermal Synthesis and Crystal Structure of bis-(1,10-Phenanthroline) 3-Hydroxy-thiophene-2,5-dicarboxylate Cadmium(II) Tetrahydrate [Cd(C30H20N4SO6)4(H2O)NO3]”, Asian Journal of Chemistry, 27(2), pp. 767–768. doi: 10.14233/ajchem.2015.16912.