Arbitration — Procedure — Res judicata — Alternative Claims before National and International Tribunals.

Arbitration — Jurisdiction — Mixed Arbitral Tribunals — Alternative Claims before National and International Tribunals — Res judicata.

Arbitration — Res judicata — In Cases of Alternative Jurisdiction.

Claims — Alternative Claims before National and International Tribunals — Partnerships — Renunciation of Claims by Individuals in Favour of Government — Res judicata as between Governments — Res judicata as between Private Individuals — Article 304 (b), paragraph 2, of the Treaty of Versailles.