ČUBARS, Edgars; POIŠA, Liena. ANALYSIS OF ASH CONTENT IN COMPOSITE BIOMASS FUELS. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 3, p. 31–36, 2017. DOI: 10.17770/etr2017vol3.2524. Disponível em: https://journals.ru.lv/index.php/ETR/article/view/2524.. Acesso em: 3 may. 2024.