International Law — Sources of — General Principles of Law — Interpretation of Concessionary Contract between Independent Ruler and Private Company.

Territorial Waters — In General — Whether Part of State Territory — Subsoil of Territorial Waters.

Treaties — Various Kinds of — Concessionary Agreement between Ruler and Private Company — Interpretation of — Proper Law of the Contract.

Treaties — Interpretation of — Various Rules of — Expressio unius est exclusio alterius — lnterpretation contra projerentem — Contract between Ruler and Private Company.

Treaties — Interpretation of — Preparatory Work — Negotiations Leading to Treaty — Contract between Ruler and Private Company.

Continental Shelf — Nature of — Whether Part of State Territory — Proclamations of Continental Shelf — Whether Declaratory of Existing Law — Exclusive Concession Created with Respect to Entire Territory — Whether Comprising Continental Shelf — Territorial Waters — Subsoil of — Whether Part of State Territory — Concessionary Agreements — Interpretation of — Application of Municipal Rules of Interpretation — General Principles of Law — Agreement between Independent Ruler and Private Company — Negotiations Preceding the Agreement.