M. E. Sánchez Vergara, J. Álvarez Bada, and B. Frontana Uribe, “Preparation and characterization of molecular-material containing Diaqua tetrabenzo (b,f,j,n) {1,5,9,13} tetraazacyclohxadecine copper (II) Bisanthraflavates”, acta, vol. 16, no. 1-2, pp. 22-30, Dec. 2007.