Barrena Ruiz, J., M. Hernando Arrese, and F. Rojas Marchini. “Historical Background of the Panguipulli Forestry and Timber Complex, Valdivia Province, South-Central Chile”. Revista Bosque, vol. 37, no. 3, May 2017, pp. 473-84, https://revistabosque.org/index.php/bosque/article/view/468.