Citation: Zhao, Jun-Wei; Li, Yan-Zhou; Ji, Fan; Yuan, Jing; Chen, Li-Juan; Yang, Guo-Yu (2014). Syntheses, structures and electrochemical properties of a class of 1-D double chain polyoxotungstate hybrids [H2dap][Cu(dap)2]0.5[Cu(dap)2(H2O)][Ln(H2O)3(\a-GeW11O39)]·3H2O.. Dalton transactions (Cambridge, England : 2003), 43, pp. 5694-5706.