Kovacs, Adam
[Author];
Lohunova, Oleksandra
[Author];
Winkelmann-Oei, Gerhard
[Author];
Mádai, Ferenc
[Author];
Török, Zoltán
[Author]
;
Otto, Sonja
[Contributor]
Deutschland Umweltbundesamt,
International Commission for the Protection of the Danube River