Karlström, Anders, Jan Hill, and Lars Johansson. “Data-Driven Soft Sensors in Refining Processes – Pulp Property Estimation Using ARX - Models”. BioResources 18, no. 4 (October 17, 2023): 8163–8186. Accessed November 4, 2025. https://ojs.bioresources.com/index.php/BRJ/article/view/22443.