KALIS, Harijs; KANGRO, Ilmārs. SIMPLE METHODS OF ENGINEERING CALCULATIONS FOR SOLVING TRANSFER PROBLEMS OF MULTI – SUBSTANCES IN HORIZONTAL LAYER. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 40–47, 2005. DOI: 10.17770/etr2005vol1.2132. Disponível em: https://journals.rta.lv/index.php/ETR/article/view/2132.. Acesso em: 28 apr. 2024.