Jo, Jae Ik, et al. “Qualitative and Quantitative Anatomical Characteristics and Radial Variation of Major Cell Components in Paulownia Tomentosa Wood Grown in Korea ”. BioResources, vol. 19, no. 2, Feb. 2024, pp. 2466-79, https://ojs.bioresources.com/index.php/BRJ/article/view/23330.