Citation: Karmakar, Anirban; Goldberg, Israel (2011). Coordination polymers of flexible tetracarboxylic acids with metal ions. II. Supramolecular assemblies of 5,5′-methylene- and 5,5′-(ethane-1,2-diyl)-bis(oxy)diisophthalic acid ligands with d-transition metals. CrystEngComm, 13, pp. 350-.