NULLE, Imants; KAĶĪTIS, Aivars. PHYSICAL PROPERTIES OF BIOMASS COMPOSITIONS. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 249–256, 2005. DOI: 10.17770/etr2005vol1.2117. Disponível em: https://journals.ru.lv/index.php/ETR/article/view/2117.. Acesso em: 3 may. 2024.