Citation: Carlucci, Lucia; Ciani, Gianfranco; Proserpio, Davide M (2004). A new type of entanglement involving one-dimensional ribbons of rings catenated to a three-dimensional network in the nanoporous structure of [Co(bix)2(H2O)2](SO4).7H2O [bix = 1,4-bis(imidazol-1-ylmethyl)benzene].. Chemical communications (Cambridge, England), , pp. 380-381.