OUTFLOW OF THE BIOGENIC SUBSTANCES IN THE DRAINAGE AREA OF SŁAWSKIE LAKE. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference, [S. l.], v. 1, p. 166–170, 2006. DOI: 10.17770/etr2003vol1.2003. Disponível em: https://archive-journals.rtu.lv/etr/article/view/3546.. Acesso em: 11 mar. 2026.