Manual of procedures for operations certification and inspection /

Eitemau Tebyg

• Rules of procedure for the council
  gan: 4490 International Civil Aviation Organization
  Cyhoeddwyd: (1980)
• Directives to ICAO technical meetings and rules of procedure for their conduct
  gan: 4490 International Civil Aviation Organization
  Cyhoeddwyd: (1956)
• Manual on air traffic forecasting /
  gan: International Civil Aviation Organization
  Cyhoeddwyd: (1985)
• Survey of international air transport fares and rates/
  gan: International Civil Aviation Organization
  Cyhoeddwyd: (1980)
• Regional difference in fares, rates and costs for international air transport /
  gan: International Civil Aviation Organization
  Cyhoeddwyd: (1979)