Citation: do Pim, Walace D.; Sim\~oes, Tatiana R. G.; Oliveira, Willian X. C.; Fernandes, Isabella R. A.; Pinheiro, Carlos B.; Lloret, Francesc; Julve, Miguel; Stumpf, Humberto O.; Pereira, Cynthia L. M. (2014). Influence of Copper(II) and Nickel(II) Ions in the Topology of Systems Based on a Flexible Bis-Oxamate and Bipyridine Building Blocks. Crystal Growth & Design, 14, pp. 5929-.