Long-term changes of the eutrophication indicators of the Baltic Sea = Läänemere eutrofeerumise indikaatorite pikaajalised muutusedKõuts, Mariliis2023 https://doi.org/10.23658/taltech.2/2023 https://digikogu.taltech.ee/et/Item/b505a9c7-3146-4ccb-8cc0-f56a164c3571 https://www.ester.ee/record=b5533334*est