Ten years after the signing of the Helsinki convention : national statements by the contracting parties on the achievements in implementing the goals of the Convention on the protection of the marine environment of the Baltic Sea area
Ten years after the signing of the Helsinki convention : national statements by the contracting parties on the achievements in implementing the goals of the Convention on the protection of the marine environment of the Baltic Sea area
Ten years after the signing of the Helsinki convention : national statements by the contracting parties on the achievements in implementing the goals of the Convention on the protection of the marine environment of the Baltic Sea area
Nimiösivulla myös: Denmark, Finland, German Democratic Republic, Federal Republic of Germany, Polish People's Republic, Sweden, Union of Soviet Socialist Republics.
Ten years after the signing of the Helsinki convention : national statements by the contracting parties on the achievements in implementing the goals of the Convention on the protection of the marine environment of the Baltic Sea area