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1. Convention between the Governments of the Hungarian People's Republic and the Czechoslovakian Socialist Republic, the Executive Council of the Yugoslav Socialist Federal Republic, the Governments of the Romanian Socialist Republic and of the Union of Soviet Socialist Republics on measures to combat pollution of the Tisza river and its tributarie

Convention between the Governments of the Hungarian People's Republic and the Czechoslovakian Socialist Republic, the Executive Council of the Yugoslav Socialist Federal Republic, the Governments of the Romanian Socialist Republic and of the Union of Soviet Socialist Republics on measures to combat pollution of the Tisza river and its tributarie

Description: Treaty basin(s): Tisza and its tributaries

2. Declaration on co-operation concerning the Tisza/Tisa River Basin

Declaration on co-operation concerning the Tisza/Tisa River Basin

Description: Treaty basin(s): Tisza/Tisa

3. Framework convention of the protection and sustainable development of the Carpathians

Framework convention of the protection and sustainable development of the Carpathians

Description: Treaty basin(s): General