European Large Lakes : Ecosystem changes and their ecological and socioeconomic impacts - Nõges, Tiina.; Eckmann, Reiner.; Kangur, Külli.; Nõges, Peeter.; Reinart, Anu.; Roll, Gulnara.; Simola, Heikki.; Viljanen, Markku. (Springer Netherlands : Imprint: Springer, 2008)