Sorli, A., and L. Rodríguez Yunta. “Everything You Want to Know about Latin-America, But you’ve Been Unable to Find. The Need to Create Specialized Directories of Databases”. Revista Española De Documentación Científica, vol. 18, no. 1, Mar. 1995, pp. 19-32, doi:10.3989/redc.1995.v18.i1.662.