ANDZS, Martins; GRAVITIS, Janis; VEVERIS, Andris. Extraction of Lignin from Hemp Shives. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 103–105, 2015. DOI: 10.17770/etr2013vol1.798. Disponível em: https://journals.ru.lv/index.php/ETR/article/view/798.. Acesso em: 5 may. 2024.