Frankenstein, C., and U. Schmitt. “Microscopic Studies on Modified Wall Structure and Lignin Topochemistry in Xylem Fibres of Poplar After Wounding”. Maderas. Ciencia Y Tecnología, vol. 8, no. 2, Sept. 2025, pp. 93-106, https://revistas.ubiobio.cl/index.php/MCT/article/view/1480.