Changes in nutrient levels in some Eastern European rivers in response to large-scale changes in agricultureStalnacke, Per; Vandsemb, Stine; Vassiljev, Anatoli; Grimvall, A.; Jolankai, G.Water science and technology2004 / 3, p. 29-36 : ill

Changes in nutrient levels in some Eastern European rivers in response to large-scale changes in agricultureStalnacke, Per; Vandsemb, Stine; Vassiljev, Anatoli; Grimvall, A.; Jolankai, G.Proceedings of 6th International Conference on Diffuse Pollution2002 / p. 267-274