TEIRUMNIEKA, Ērika; KANGRO, Ilmārs; TEIRUMNIEKS, Edmunds; KALIS, Harijs; GEDROICS, Aigars. The Mathematical Modeling of Ca And Fe Distribution In Peat Layers. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 2, p. 40–47, 2015. DOI: 10.17770/etr2011vol2.1004. Disponível em: https://journals23.rta.lv/index.php/ETR/article/view/1004.. Acesso em: 17 apr. 2025.