Citation: Carlucci, Lucia; Ciani, Gianfranco; Proserpio, Davide M.; Spadacini, Laura (2004). Supramolecular isomers in the same crystal: a new case involving two different types of layers polycatenated in the 3D architecture of [Cu(bix)2(SO4)]�7.5H2O [bix = 1,4-bis(imidazol-1-ylmethyl)benzene]. CrystEngComm, 6, pp. 96-.