KRONBERGS, Ēriks. BIOMASS COMPACTION POTENTIALITIES. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 50–54, 2001. DOI: 10.17770/etr2001vol1.1935. Disponível em: https://journals.rta.lv/index.php/ETR/article/view/1935.. Acesso em: 27 apr. 2024.