Ramírez, C., J. Grinbergs, E. Valenzuela, and C. San Martín. “Influence of Proteoid Roots in the Development of Gevuina Avellana Mol. (Proteaceae ) Seedlings”. Revista Bosque, vol. 11, no. 1, June 1990, pp. 11-20, https://revistabosque.org/index.php/bosque/article/view/1457.