@article{article877237a2,
title   = {Characterization of a novel Cu-II/4,4'- bipyridine coordination polymer containing square grids},
author = {Williams, P A M and Ferrer, E G and Baran, Enrique J and Piro, Oscar E and Castellano, Eduardo Ernesto},
year = {2002},
journal   = {Zeitschrift für Anorganische und Allgemeine Chemie}
}