KALIS, H.; KANGRO, I. FIZIKĀLU PROCESU SKAITLISKĀ MODELĒŠANA PLĀNOS SLĀŅOS. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 64–72, 1999. DOI: 10.17770/etr1999vol1.1903. Disponível em: https://journals.ru.lv/index.php/ETR/article/view/1903.. Acesso em: 2 may. 2024.