Weidmann, J.-L., Kern, J.-M., Sauvage, J.-P., Muscat, D., Mullins, S., Köhler, W., Rosenauer, C., Räder, H. J., Martin, K., & Geerts, Y. (1999). Poly[2]catenanes and Cyclic Oligo[2]catenanes Containing Alternating Topological and Covalent Bonds: Synthesis and Characterization. Chemistry-A European Journal, 5, 1841-1851.