Citation: Han, Li-Wei; L\"u, Jian; Liu, Tian-Fu; Gao, Shui-Ying; Cao, Rong (2010). Preparation and characterization of lanthanide-azo-dye coordination polymers and polymer thin films via layer-by-layer depositions.. Dalton transactions (Cambridge, England : 2003), 39, pp. 10967-10973.