KAĶĪTIS, Aivars. MODELLING OF SAPROPEL FLOW. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 56–64, 1999. DOI: 10.17770/etr1999vol1.1904. Disponível em: https://journals23.rta.lv/index.php/ETR/article/view/1904.. Acesso em: 28 apr. 2025.