BĒRZIŅŠ, S. Projecting Pulp Mill Impact on the Infrastructure of Jekabpils Region. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 44–50, 2006. DOI: 10.17770/etr2003vol1.1977. Disponível em: https://journals.ru.lv/index.php/ETR/article/view/1977.. Acesso em: 4 may. 2024.