Judgment of the Court of 11 January 2000 in Joined Cases C-174/98 P and C-189/98 P: Kingdom of the Netherlands and Gerard van der Wal v Commission of the European Communities (Appeal — Access to information — Commission Decision 94/90/ECSC, EC, Euratom — Scope of the exception relating to protection of the public interest — Inadequate statement of reasons — Article 6 of the European Convention for the Protection of Human Rights and Fundamental Freedoms — Principles of equality between the parties and rights of the defence)