X. Liu and D.-H. Hu, “Synthesis and Crystal Structure of Di(thiocyanato-kN) bis(1,10-phenanthroline-5,6- dione-k2N,N’) Cadmium(II): {[Cd(C12H6N2O2)2(H2O)2]·(ClO4)2·(H2O)}”, ajc, vol. 22, no. 9, pp. 7365–7368, Jul. 2010.