GIS-based quantification of future nutrient loads into Lake Peipsi/Chudskoe using qualitative regional development scenariosMouard, D.S.J.; Van der Perk, M.; Gooch, G.D.; Loigu, Enn; Piirimäe, Kristjan; Stalnacke, PerWater science & technology Water science and technology2005 / 3/4, p. 355-363 : ill