After Decades of Extensive Research, Is Kraft Lignin Valorization Still Up In The Air? Obstacles, Opportunities, and Myths. - Fiskari, Juha; Henriksson, Gunnar; Swerin, Agne; Carlsson-Kvarnlöf, Gunilla; Sjöstrand, Björn; Germgård, Ulf (BioResources, 2025)