Correal D., J. F., and J. Arbeláez C. “Influence of Age and Height Position on Colombian Guadua Angustifolia Bamboo Mechanical Properties”. Maderas-Cienc Tecnol, vol. 12, no. 2, Dec. 2014, pp. 105-14, https://revistas.ubiobio.cl/index.php/MCT/article/view/1359.