Cubars, Edgars, and Liena Poiša. “ANALYSIS OF COMPOSITE BIOMASS FUELS PROPERTIES”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (June 20, 2019): 39–43. Accessed December 5, 2024. https://journals.ru.lv/index.php/ETR/article/view/4043.