Лебедева, Галина, Ина Алсиня, and Галина Телышева. “INFLUENCE OF LIGNIN PREPARATIOON ON CROPS DRY RESISTANT”.
ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (June 23, 2007): 132–140. Accessed May 2, 2025.
https://journals.ru.lv/index.php/ETR/article/view/1724.