Niini, Arvo, et al. “Press-Forming Molded Pulp from Repulped Liquid Packaging Board: Role of Heat Input, Pressing Force, and Defect Formation”. BioResources, vol. 17, no. 4, Nov. 2022, pp. 6148-57, https://ojs.bioresources.com/index.php/BRJ/article/view/22073.