DISEÑO Y CONSTRUCCIÓN DE UN SISTEMA PARA EXAMEN NO DESTRUCTIVO DE FALLAS Y DEFECTOS EN METALES UTILIZANDO SEÑALES ULTRASÓNICAS (DESIGN AND CONSTRUCTION OF A SYSTEM FOR NON-DESTRUCTIVE INSPECTION OF FAULTS AND DEFECTS IN METALS USING ULTRASONIC SIGNALS). reveia [Internet]. 2013 Oct. 2 [cited 2025 Jul. 18];6(12):9-21. Available from: https://eiaupgrade.metarevistas.org/index.php/reveia/article/view/217