Luo, Hui, and Li-Cheng Zhu. “Synthesis and Crystal Structure of Dy(H2O)9(1,4-dimethylbenzene)2Cl4.H3O”. Asian Journal of Chemistry, vol. 27, no. 4, Feb. 2015, pp. 1565-6, doi:10.14233/ajchem.2015.17835.