Ruiz Sibaja, Alejandro, Jorge López Ríos, and José Martínez Jiménez. 2004. “Methodology for Characterizing Reticular Structures Using Data from Forced Vibration Measurement”. Revista Ingeniería De Construcción 19 (3):159-68. https://ojs.uc.cl/index.php/ric/article/view/17439.