Hernández Matos, E., M. A., A. A., Suarez Fernández, A., Nolasco Suarez, C., Martínez Martínez, F. J., & Romero Vázquez, J. (1991). Physiographic system equipped with liquid crystal display. Revista Mexicana De Ingenieria Biomedica, 12(2), 6. Retrieved from http://rmib.com.mx/index.php/rmib/article/view/828