Citation: Sun, Xiao-Li; Shen, Bing-Xue; Zang, Shuang-Quan; Du, Chen-Xia (2013). Effect of lanthanide contraction on crystal structures of Ln(iii) coordination polymers with dinuclear SBUs based on 3-(4-hydroxypyridinium-1-yl) phthalic acid and oxalic acid. CrystEngComm, 15, pp. 5910-.