Eutrophication of Lake Peipsi. Modelling nutrient loads and response in river and estuary systemsNõges, Tiina; Laugaste, Reet; Loigu, Enn; Tuvike, A.Modelling Nutrient Loads and Response in River and Estuary Systems : NATO/CCMS pilot study final report : June 2005. 2712005 / p. 37-48