Citation: Zheng, Zhen Nu; Jang, Young Ok; Lee, Soon W. (2012). 4f-Block Metal Complexes as Secondary Building Units in Preparing 4d--4f Coordination Polymers: Preparation, Structures, and Luminescent Properties of [Ln2L6(H2O)4]·{[Ln2L4(H2O)6](NO3)2} and {[AgLnL2(H2O)3](NO3)2(H2O)4} (L = 3-Pyridinepropinoate, Ln = Eu, Tb, Nd). Crystal Growth & Design, 12, pp. 3045-.