Mrówczyński, Damian, et al. “Bending Stiffness of Unsymmetrical Multilayered Corrugated Board: Influence of Boundary Conditions”. BioResources, vol. 18, no. 4, Sept. 2023, pp. 7611-28, https://ojs.bioresources.com/index.php/BRJ/article/view/22823.