A. Klecina, J. Skvaril, E. Dahlquist, J. Fiskari, and S. B. Lindström, “Rapid on-site Assessment of Wood Chips Moisture and Lignin for Kraft Pulping Digesters Using Portable NIR Spectroscopy”, BioRes, vol. 21, no. 3, pp. 6123–6141, May 2026.