Hadad, M. A., M. M. Amoroso, and F. A. Roig Juñent. “Frost Ring Distribution in Araucaria Araucana Trees from the Xeric Forests of Patagonia, Argentina”. Revista Bosque, vol. 33, no. 3, May 2017, pp. 309-12, https://revistabosque.org/index.php/bosque/article/view/660.