Self-assembly of lanthanide(iii) coordination polymers from a bifunctional 2-(pyridin-2-yl)-1H-imidazole-4,5-dicarboxylate ligand with the assistance of oxalate: syntheses, structures, luminescence, and magnetic properties. - Zhang, Li-Yang; Lu, Li-Ping; Zhu, Miao-Li; Feng, Si-Si (CrystEngComm, 2017)