Martínez y Cárdenas, José Rodolfo, Felipe Rolando Menchaca García, y Virginia Berrón Lara. 2013. «Codification of the Contour of the Visual Image to Acoustics Patterns and Its Decoding by Blind.». Rev. Téc. Fac. Ing. Univ. Zulia 34 (2). https://mail.produccioncientificaluz.org/index.php/tecnica/article/view/7178.