Pujate, Agnese, and Gotfrīds Noviks. “WOOD THE POTENTIAL RESOURCE OF COMPLEX USE OF LIGNIN”. HUMAN. ENVIRONMENT. TECHNOLOGIES. Proceedings of the Students International Scientific and Practical Conference, no. 23 (April 24, 2019): 134–139. Accessed December 25, 2024. https://journals.rta.lv/index.php/HET/article/view/4405.